Finding the Fourth Proportional to 257,549.70, 386,324.55 and 244,427.70
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Solution
The fourth proportional to 257,549.70, 386,324.55 and 244,427.70 is: 366,641.55
Step by Step Solution
- Step 1: Write the proportion equation
257,549.70 : 386,324.55 = 244,427.70 : x - Step 2: Convert to fraction form
257,549.70/386,324.55 = 244,427.70/x - Step 3: Cross multiply
257,549.70x = 386,324.55 × 244,427.70 - Step 4: Simplify right side
257,549.70x = 94,428,421,210.04 - Step 5: Solve for x
x = 94,428,421,210.04/257,549.70 - Step 6: Final answer
x = 366,641.55
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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.