Finding the Fourth Proportional to 453,254.64, 679,808.06 and 133,331.68
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Solution
The fourth proportional to 453,254.64, 679,808.06 and 133,331.68 is: 199,975.79
Step by Step Solution
- Step 1: Write the proportion equation
453,254.64 : 679,808.06 = 133,331.68 : x - Step 2: Convert to fraction form
453,254.64/679,808.06 = 133,331.68/x - Step 3: Cross multiply
453,254.64x = 679,808.06 × 133,331.68 - Step 4: Simplify right side
453,254.64x = 90,639,952,642.87 - Step 5: Solve for x
x = 90,639,952,642.87/453,254.64 - Step 6: Final answer
x = 199,975.79
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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.