Finding the Fourth Proportional to 239,219.74, 358,862.42 and 70,753.32
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Solution
The fourth proportional to 239,219.74, 358,862.42 and 70,753.32 is: 106,139.68
Step by Step Solution
- Step 1: Write the proportion equation
239,219.74 : 358,862.42 = 70,753.32 : x - Step 2: Convert to fraction form
239,219.74/358,862.42 = 70,753.32/x - Step 3: Cross multiply
239,219.74x = 358,862.42 × 70,753.32 - Step 4: Simplify right side
239,219.74x = 25,390,707,638.23 - Step 5: Solve for x
x = 25,390,707,638.23/239,219.74 - Step 6: Final answer
x = 106,139.68
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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.