Finding the Fourth Proportional to 638,254.08, 956,790.63 and 357,574.50
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Solution
The fourth proportional to 638,254.08, 956,790.63 and 357,574.50 is: 536,030.93
Step by Step Solution
- Step 1: Write the proportion equation
638,254.08 : 956,790.63 = 357,574.50 : x - Step 2: Convert to fraction form
638,254.08/956,790.63 = 357,574.50/x - Step 3: Cross multiply
638,254.08x = 956,790.63 × 357,574.50 - Step 4: Simplify right side
638,254.08x = 342,123,931,126.94 - Step 5: Solve for x
x = 342,123,931,126.94/638,254.08 - Step 6: Final answer
x = 536,030.93
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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.