Finding the Fourth Proportional to 539,148.97, 808,584.99 and 159,980.02
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Solution
The fourth proportional to 539,148.97, 808,584.99 and 159,980.02 is: 239,928.94
Step by Step Solution
- Step 1: Write the proportion equation
539,148.97 : 808,584.99 = 159,980.02 : x - Step 2: Convert to fraction form
539,148.97/808,584.99 = 159,980.02/x - Step 3: Cross multiply
539,148.97x = 808,584.99 × 159,980.02 - Step 4: Simplify right side
539,148.97x = 129,357,442,871.90 - Step 5: Solve for x
x = 129,357,442,871.90/539,148.97 - Step 6: Final answer
x = 239,928.94
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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.