Finding the Fourth Proportional to 658,221.84, 987,332.58 and 159,585.84
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Solution
The fourth proportional to 658,221.84, 987,332.58 and 159,585.84 is: 239,378.72
Step by Step Solution
- Step 1: Write the proportion equation
658,221.84 : 987,332.58 = 159,585.84 : x - Step 2: Convert to fraction form
658,221.84/987,332.58 = 159,585.84/x - Step 3: Cross multiply
658,221.84x = 987,332.58 × 159,585.84 - Step 4: Simplify right side
658,221.84x = 157,564,299,138.67 - Step 5: Solve for x
x = 157,564,299,138.67/658,221.84 - Step 6: Final answer
x = 239,378.72
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Similar ratio
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1.5x scale
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.