Finding the Fourth Proportional to 381,577.08, 572,386.68 and 115,330.89
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Solution
The fourth proportional to 381,577.08, 572,386.68 and 115,330.89 is: 173,002.70
Step by Step Solution
- Step 1: Write the proportion equation
381,577.08 : 572,386.68 = 115,330.89 : x - Step 2: Convert to fraction form
381,577.08/572,386.68 = 115,330.89/x - Step 3: Cross multiply
381,577.08x = 572,386.68 × 115,330.89 - Step 4: Simplify right side
381,577.08x = 66,013,865,228.55 - Step 5: Solve for x
x = 66,013,865,228.55/381,577.08 - Step 6: Final answer
x = 173,002.70
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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.