Finding the Fourth Proportional to 331,117.57, 496,681.11 and 94,460.28
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Solution
The fourth proportional to 331,117.57, 496,681.11 and 94,460.28 is: 141,691.78
Step by Step Solution
- Step 1: Write the proportion equation
331,117.57 : 496,681.11 = 94,460.28 : x - Step 2: Convert to fraction form
331,117.57/496,681.11 = 94,460.28/x - Step 3: Cross multiply
331,117.57x = 496,681.11 × 94,460.28 - Step 4: Simplify right side
331,117.57x = 46,916,636,721.31 - Step 5: Solve for x
x = 46,916,636,721.31/331,117.57 - Step 6: Final answer
x = 141,691.78
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1.5x scale
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.