Finding the Fourth Proportional to 453,013.23, 679,523.93 and 137,470.13
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Solution
The fourth proportional to 453,013.23, 679,523.93 and 137,470.13 is: 206,206.43
Step by Step Solution
- Step 1: Write the proportion equation
453,013.23 : 679,523.93 = 137,470.13 : x - Step 2: Convert to fraction form
453,013.23/679,523.93 = 137,470.13/x - Step 3: Cross multiply
453,013.23x = 679,523.93 × 137,470.13 - Step 4: Simplify right side
453,013.23x = 93,414,242,995.21 - Step 5: Solve for x
x = 93,414,242,995.21/453,013.23 - Step 6: Final answer
x = 206,206.43
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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.