Finding the Fourth Proportional to 453,146.24, 679,675.21 and 137,605.88
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Solution
The fourth proportional to 453,146.24, 679,675.21 and 137,605.88 is: 206,395.41
Step by Step Solution
- Step 1: Write the proportion equation
453,146.24 : 679,675.21 = 137,605.88 : x - Step 2: Convert to fraction form
453,146.24/679,675.21 = 137,605.88/x - Step 3: Cross multiply
453,146.24x = 679,675.21 × 137,605.88 - Step 4: Simplify right side
453,146.24x = 93,527,305,386.23 - Step 5: Solve for x
x = 93,527,305,386.23/453,146.24 - Step 6: Final answer
x = 206,395.41
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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.