Finding the Fourth Proportional to 527,505.30, 791,166.15 and 148,335.99
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Solution
The fourth proportional to 527,505.30, 791,166.15 and 148,335.99 is: 222,478.17
Step by Step Solution
- Step 1: Write the proportion equation
527,505.30 : 791,166.15 = 148,335.99 : x - Step 2: Convert to fraction form
527,505.30/791,166.15 = 148,335.99/x - Step 3: Cross multiply
527,505.30x = 791,166.15 × 148,335.99 - Step 4: Simplify right side
527,505.30x = 117,358,414,114.74 - Step 5: Solve for x
x = 117,358,414,114.74/527,505.30 - Step 6: Final answer
x = 222,478.17
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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.