Finding the Fourth Proportional to 147,564.70, 221,402.94 and 88,442.80
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Solution
The fourth proportional to 147,564.70, 221,402.94 and 88,442.80 is: 132,697.70
Step by Step Solution
- Step 1: Write the proportion equation
147,564.70 : 221,402.94 = 88,442.80 : x - Step 2: Convert to fraction form
147,564.70/221,402.94 = 88,442.80/x - Step 3: Cross multiply
147,564.70x = 221,402.94 × 88,442.80 - Step 4: Simplify right side
147,564.70x = 19,581,495,941.83 - Step 5: Solve for x
x = 19,581,495,941.83/147,564.70 - Step 6: Final answer
x = 132,697.70
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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.