Finding the Fourth Proportional to 357,656.91, 536,402.13 and 133,123.09
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Solution
The fourth proportional to 357,656.91, 536,402.13 and 133,123.09 is: 199,653.65
Step by Step Solution
- Step 1: Write the proportion equation
357,656.91 : 536,402.13 = 133,123.09 : x - Step 2: Convert to fraction form
357,656.91/536,402.13 = 133,123.09/x - Step 3: Cross multiply
357,656.91x = 536,402.13 × 133,123.09 - Step 4: Simplify right side
357,656.91x = 71,407,506,346.17 - Step 5: Solve for x
x = 71,407,506,346.17/357,656.91 - Step 6: Final answer
x = 199,653.65
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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.