Finding the Fourth Proportional to 626,567.10, 939,850.65 and 153,246.30
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Solution
The fourth proportional to 626,567.10, 939,850.65 and 153,246.30 is: 229,869.45
Step by Step Solution
- Step 1: Write the proportion equation
626,567.10 : 939,850.65 = 153,246.30 : x - Step 2: Convert to fraction form
626,567.10/939,850.65 = 153,246.30/x - Step 3: Cross multiply
626,567.10x = 939,850.65 × 153,246.30 - Step 4: Simplify right side
626,567.10x = 144,028,634,665.10 - Step 5: Solve for x
x = 144,028,634,665.10/626,567.10 - Step 6: Final answer
x = 229,869.45
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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.