Finding the Fourth Proportional to 539,122.40, 808,537.80 and 160,042.40
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Solution
The fourth proportional to 539,122.40, 808,537.80 and 160,042.40 is: 240,020.32
Step by Step Solution
- Step 1: Write the proportion equation
539,122.40 : 808,537.80 = 160,042.40 : x - Step 2: Convert to fraction form
539,122.40/808,537.80 = 160,042.40/x - Step 3: Cross multiply
539,122.40x = 808,537.80 × 160,042.40 - Step 4: Simplify right side
539,122.40x = 129,400,330,002.72 - Step 5: Solve for x
x = 129,400,330,002.72/539,122.40 - Step 6: Final answer
x = 240,020.32
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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.