Finding the Fourth Proportional to 124,711.74, 187,019.08 and 40,451.53
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Solution
The fourth proportional to 124,711.74, 187,019.08 and 40,451.53 is: 60,661.55
Step by Step Solution
- Step 1: Write the proportion equation
124,711.74 : 187,019.08 = 40,451.53 : x - Step 2: Convert to fraction form
124,711.74/187,019.08 = 40,451.53/x - Step 3: Cross multiply
124,711.74x = 187,019.08 × 40,451.53 - Step 4: Simplify right side
124,711.74x = 7,565,207,437.17 - Step 5: Solve for x
x = 7,565,207,437.17/124,711.74 - Step 6: Final answer
x = 60,661.55
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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.