Finding the Fourth Proportional to 272,201.13, 408,355.16 and 94,713.93
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Solution
The fourth proportional to 272,201.13, 408,355.16 and 94,713.93 is: 142,089.50
Step by Step Solution
- Step 1: Write the proportion equation
272,201.13 : 408,355.16 = 94,713.93 : x - Step 2: Convert to fraction form
272,201.13/408,355.16 = 94,713.93/x - Step 3: Cross multiply
272,201.13x = 408,355.16 × 94,713.93 - Step 4: Simplify right side
272,201.13x = 38,676,921,565.81 - Step 5: Solve for x
x = 38,676,921,565.81/272,201.13 - Step 6: Final answer
x = 142,089.50
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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.