Finding the Fourth Proportional to 288,221.92, 432,037.28 and 110,681.12
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Solution
The fourth proportional to 288,221.92, 432,037.28 and 110,681.12 is: 165,908.17
Step by Step Solution
- Step 1: Write the proportion equation
288,221.92 : 432,037.28 = 110,681.12 : x - Step 2: Convert to fraction form
288,221.92/432,037.28 = 110,681.12/x - Step 3: Cross multiply
288,221.92x = 432,037.28 × 110,681.12 - Step 4: Simplify right side
288,221.92x = 47,818,370,032.15 - Step 5: Solve for x
x = 47,818,370,032.15/288,221.92 - Step 6: Final answer
x = 165,908.17
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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.