Finding the Fourth Proportional to 453,153.99, 679,686.84 and 137,613.63
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Solution
The fourth proportional to 453,153.99, 679,686.84 and 137,613.63 is: 206,407.04
Step by Step Solution
- Step 1: Write the proportion equation
453,153.99 : 679,686.84 = 137,613.63 : x - Step 2: Convert to fraction form
453,153.99/679,686.84 = 137,613.63/x - Step 3: Cross multiply
453,153.99x = 679,686.84 × 137,613.63 - Step 4: Simplify right side
453,153.99x = 93,534,173,315.63 - Step 5: Solve for x
x = 93,534,173,315.63/453,153.99 - Step 6: Final answer
x = 206,407.04
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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.