Finding the Fourth Proportional to 147,554.20, 221,387.19 and 88,432.30
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Solution
The fourth proportional to 147,554.20, 221,387.19 and 88,432.30 is: 132,681.95
Step by Step Solution
- Step 1: Write the proportion equation
147,554.20 : 221,387.19 = 88,432.30 : x - Step 2: Convert to fraction form
147,554.20/221,387.19 = 88,432.30/x - Step 3: Cross multiply
147,554.20x = 221,387.19 × 88,432.30 - Step 4: Simplify right side
147,554.20x = 19,577,778,402.24 - Step 5: Solve for x
x = 19,577,778,402.24/147,554.20 - Step 6: Final answer
x = 132,681.95
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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.