Finding the Fourth Proportional to 220,746.42, 304,630.71 and 125,252.91
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Solution
The fourth proportional to 220,746.42, 304,630.71 and 125,252.91 is: 172,849.38
Step by Step Solution
- Step 1: Write the proportion equation
220,746.42 : 304,630.71 = 125,252.91 : x - Step 2: Convert to fraction form
220,746.42/304,630.71 = 125,252.91/x - Step 3: Cross multiply
220,746.42x = 304,630.71 × 125,252.91 - Step 4: Simplify right side
220,746.42x = 38,155,882,902.87 - Step 5: Solve for x
x = 38,155,882,902.87/220,746.42 - Step 6: Final answer
x = 172,849.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.