Finding the Fourth Proportional to 260,356.08, 390,537.36 and 82,862.40
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Solution
The fourth proportional to 260,356.08, 390,537.36 and 82,862.40 is: 124,294.63
Step by Step Solution
- Step 1: Write the proportion equation
260,356.08 : 390,537.36 = 82,862.40 : x - Step 2: Convert to fraction form
260,356.08/390,537.36 = 82,862.40/x - Step 3: Cross multiply
260,356.08x = 390,537.36 × 82,862.40 - Step 4: Simplify right side
260,356.08x = 32,360,862,939.26 - Step 5: Solve for x
x = 32,360,862,939.26/260,356.08 - Step 6: Final answer
x = 124,294.63
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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.