Finding the Fourth Proportional to 288,337.56, 432,598.86 and 138,588.70
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Solution
The fourth proportional to 288,337.56, 432,598.86 and 138,588.70 is: 207,927.52
Step by Step Solution
- Step 1: Write the proportion equation
288,337.56 : 432,598.86 = 138,588.70 : x - Step 2: Convert to fraction form
288,337.56/432,598.86 = 138,588.70/x - Step 3: Cross multiply
288,337.56x = 432,598.86 × 138,588.70 - Step 4: Simplify right side
288,337.56x = 59,953,313,628.88 - Step 5: Solve for x
x = 59,953,313,628.88/288,337.56 - Step 6: Final answer
x = 207,927.52
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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.