Finding the Fourth Proportional to 387,656.61, 581,484.95 and 121,437.87
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Solution
The fourth proportional to 387,656.61, 581,484.95 and 121,437.87 is: 182,156.82
Step by Step Solution
- Step 1: Write the proportion equation
387,656.61 : 581,484.95 = 121,437.87 : x - Step 2: Convert to fraction form
387,656.61/581,484.95 = 121,437.87/x - Step 3: Cross multiply
387,656.61x = 581,484.95 × 121,437.87 - Step 4: Simplify right side
387,656.61x = 70,614,293,765.06 - Step 5: Solve for x
x = 70,614,293,765.06/387,656.61 - Step 6: Final answer
x = 182,156.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.