Finding the Fourth Proportional to 288,575.70, 432,863.55 and 239,423.70
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Solution
The fourth proportional to 288,575.70, 432,863.55 and 239,423.70 is: 359,135.55
Step by Step Solution
- Step 1: Write the proportion equation
288,575.70 : 432,863.55 = 239,423.70 : x - Step 2: Convert to fraction form
288,575.70/432,863.55 = 239,423.70/x - Step 3: Cross multiply
288,575.70x = 432,863.55 × 239,423.70 - Step 4: Simplify right side
288,575.70x = 103,637,792,736.14 - Step 5: Solve for x
x = 103,637,792,736.14/288,575.70 - Step 6: Final answer
x = 359,135.55
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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.