Finding the Fourth Proportional to 453,118.24, 679,633.48 and 137,577.88
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Solution
The fourth proportional to 453,118.24, 679,633.48 and 137,577.88 is: 206,353.50
Step by Step Solution
- Step 1: Write the proportion equation
453,118.24 : 679,633.48 = 137,577.88 : x - Step 2: Convert to fraction form
453,118.24/679,633.48 = 137,577.88/x - Step 3: Cross multiply
453,118.24x = 679,633.48 × 137,577.88 - Step 4: Simplify right side
453,118.24x = 93,502,533,355.42 - Step 5: Solve for x
x = 93,502,533,355.42/453,118.24 - Step 6: Final answer
x = 206,353.50
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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.