Finding the Fourth Proportional to 736,115.19, 1,104,171.10 and 230,714.68
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Solution
The fourth proportional to 736,115.19, 1,104,171.10 and 230,714.68 is: 346,071.49
Step by Step Solution
- Step 1: Write the proportion equation
736,115.19 : 1,104,171.10 = 230,714.68 : x - Step 2: Convert to fraction form
736,115.19/1,104,171.10 = 230,714.68/x - Step 3: Cross multiply
736,115.19x = 1,104,171.10 × 230,714.68 - Step 4: Simplify right side
736,115.19x = 254,748,482,001.75 - Step 5: Solve for x
x = 254,748,482,001.75/736,115.19 - Step 6: Final answer
x = 346,071.49
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.