Finding the Fourth Proportional to 516,746.19, 775,069.15 and 156,920.14
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Solution
The fourth proportional to 516,746.19, 775,069.15 and 156,920.14 is: 235,364.99
Step by Step Solution
- Step 1: Write the proportion equation
516,746.19 : 775,069.15 = 156,920.14 : x - Step 2: Convert to fraction form
516,746.19/775,069.15 = 156,920.14/x - Step 3: Cross multiply
516,746.19x = 775,069.15 × 156,920.14 - Step 4: Simplify right side
516,746.19x = 121,623,959,527.68 - Step 5: Solve for x
x = 121,623,959,527.68/516,746.19 - Step 6: Final answer
x = 235,364.99
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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.