Finding the Fourth Proportional to 357,655.66, 536,400.26 and 133,121.84
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Solution
The fourth proportional to 357,655.66, 536,400.26 and 133,121.84 is: 199,651.77
Step by Step Solution
- Step 1: Write the proportion equation
357,655.66 : 536,400.26 = 133,121.84 : x - Step 2: Convert to fraction form
357,655.66/536,400.26 = 133,121.84/x - Step 3: Cross multiply
357,655.66x = 536,400.26 × 133,121.84 - Step 4: Simplify right side
357,655.66x = 71,406,586,572.87 - Step 5: Solve for x
x = 71,406,586,572.87/357,655.66 - Step 6: Final answer
x = 199,651.77
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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.