Finding the Fourth Proportional to 340,572.79, 469,966.17 and 202,744.40
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Solution
The fourth proportional to 340,572.79, 469,966.17 and 202,744.40 is: 279,772.82
Step by Step Solution
- Step 1: Write the proportion equation
340,572.79 : 469,966.17 = 202,744.40 : x - Step 2: Convert to fraction form
340,572.79/469,966.17 = 202,744.40/x - Step 3: Cross multiply
340,572.79x = 469,966.17 × 202,744.40 - Step 4: Simplify right side
340,572.79x = 95,283,009,070.53 - Step 5: Solve for x
x = 95,283,009,070.53/340,572.79 - Step 6: Final answer
x = 279,772.82
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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.