Finding the Fourth Proportional to 371,518.80, 557,108.08 and 118,750.20
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Solution
The fourth proportional to 371,518.80, 557,108.08 and 118,750.20 is: 178,070.92
Step by Step Solution
- Step 1: Write the proportion equation
371,518.80 : 557,108.08 = 118,750.20 : x - Step 2: Convert to fraction form
371,518.80/557,108.08 = 118,750.20/x - Step 3: Cross multiply
371,518.80x = 557,108.08 × 118,750.20 - Step 4: Simplify right side
371,518.80x = 66,156,695,921.62 - Step 5: Solve for x
x = 66,156,695,921.62/371,518.80 - Step 6: Final answer
x = 178,070.92
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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.