Finding the Fourth Proportional to 516,110.17, 712,276.95 and 286,712.08
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Solution
The fourth proportional to 516,110.17, 712,276.95 and 286,712.08 is: 395,687.62
Step by Step Solution
- Step 1: Write the proportion equation
516,110.17 : 712,276.95 = 286,712.08 : x - Step 2: Convert to fraction form
516,110.17/712,276.95 = 286,712.08/x - Step 3: Cross multiply
516,110.17x = 712,276.95 × 286,712.08 - Step 4: Simplify right side
516,110.17x = 204,218,405,870.56 - Step 5: Solve for x
x = 204,218,405,870.56/516,110.17 - Step 6: Final answer
x = 395,687.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.