Finding the Fourth Proportional to 147,835.20, 221,862.15 and 97,898.70
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Solution
The fourth proportional to 147,835.20, 221,862.15 and 97,898.70 is: 146,920.46
Step by Step Solution
- Step 1: Write the proportion equation
147,835.20 : 221,862.15 = 97,898.70 : x - Step 2: Convert to fraction form
147,835.20/221,862.15 = 97,898.70/x - Step 3: Cross multiply
147,835.20x = 221,862.15 × 97,898.70 - Step 4: Simplify right side
147,835.20x = 21,720,016,064.21 - Step 5: Solve for x
x = 21,720,016,064.21/147,835.20 - Step 6: Final answer
x = 146,920.46
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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.