Finding the Fourth Proportional to 623,135.92, 934,703.86 and 149,821.28
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Solution
The fourth proportional to 623,135.92, 934,703.86 and 149,821.28 is: 224,731.92
Step by Step Solution
- Step 1: Write the proportion equation
623,135.92 : 934,703.86 = 149,821.28 : x - Step 2: Convert to fraction form
623,135.92/934,703.86 = 149,821.28/x - Step 3: Cross multiply
623,135.92x = 934,703.86 × 149,821.28 - Step 4: Simplify right side
623,135.92x = 140,038,528,726.14 - Step 5: Solve for x
x = 140,038,528,726.14/623,135.92 - Step 6: Final answer
x = 224,731.92
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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.