Finding the Fourth Proportional to 439,963.02, 607,149.36 and 238,759.02
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Solution
The fourth proportional to 439,963.02, 607,149.36 and 238,759.02 is: 329,487.66
Step by Step Solution
- Step 1: Write the proportion equation
439,963.02 : 607,149.36 = 238,759.02 : x - Step 2: Convert to fraction form
439,963.02/607,149.36 = 238,759.02/x - Step 3: Cross multiply
439,963.02x = 607,149.36 × 238,759.02 - Step 4: Simplify right side
439,963.02x = 144,962,386,187.23 - Step 5: Solve for x
x = 144,962,386,187.23/439,963.02 - Step 6: Final answer
x = 329,487.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.