Finding the Fourth Proportional to 516,852.49, 775,278.79 and 161,894.19
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Solution
The fourth proportional to 516,852.49, 775,278.79 and 161,894.19 is: 242,841.30
Step by Step Solution
- Step 1: Write the proportion equation
516,852.49 : 775,278.79 = 161,894.19 : x - Step 2: Convert to fraction form
516,852.49/775,278.79 = 161,894.19/x - Step 3: Cross multiply
516,852.49x = 775,278.79 × 161,894.19 - Step 4: Simplify right side
516,852.49x = 125,513,130,921.76 - Step 5: Solve for x
x = 125,513,130,921.76/516,852.49 - Step 6: Final answer
x = 242,841.30
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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.