Finding the Fourth Proportional to 356,397.24, 534,603.12 and 131,641.92
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Solution
The fourth proportional to 356,397.24, 534,603.12 and 131,641.92 is: 197,465.56
Step by Step Solution
- Step 1: Write the proportion equation
356,397.24 : 534,603.12 = 131,641.92 : x - Step 2: Convert to fraction form
356,397.24/534,603.12 = 131,641.92/x - Step 3: Cross multiply
356,397.24x = 534,603.12 × 131,641.92 - Step 4: Simplify right side
356,397.24x = 70,376,181,154.79 - Step 5: Solve for x
x = 70,376,181,154.79/356,397.24 - Step 6: Final answer
x = 197,465.56
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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.