Finding the Fourth Proportional to 431,966.95, 648,027.30 and 147,689.08
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Solution
The fourth proportional to 431,966.95, 648,027.30 and 147,689.08 is: 221,559.90
Step by Step Solution
- Step 1: Write the proportion equation
431,966.95 : 648,027.30 = 147,689.08 : x - Step 2: Convert to fraction form
431,966.95/648,027.30 = 147,689.08/x - Step 3: Cross multiply
431,966.95x = 648,027.30 × 147,689.08 - Step 4: Simplify right side
431,966.95x = 95,706,555,751.88 - Step 5: Solve for x
x = 95,706,555,751.88/431,966.95 - Step 6: Final answer
x = 221,559.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.