Finding the Fourth Proportional to 217,248.12, 299,802.36 and 120,451.68
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Solution
The fourth proportional to 217,248.12, 299,802.36 and 120,451.68 is: 166,223.29
Step by Step Solution
- Step 1: Write the proportion equation
217,248.12 : 299,802.36 = 120,451.68 : x - Step 2: Convert to fraction form
217,248.12/299,802.36 = 120,451.68/x - Step 3: Cross multiply
217,248.12x = 299,802.36 × 120,451.68 - Step 4: Simplify right side
217,248.12x = 36,111,697,929.96 - Step 5: Solve for x
x = 36,111,697,929.96/217,248.12 - Step 6: Final answer
x = 166,223.29
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.