Finding the Fourth Proportional to 292,515.20, 438,116.70 and 240,027.20
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Solution
The fourth proportional to 292,515.20, 438,116.70 and 240,027.20 is: 359,502.43
Step by Step Solution
- Step 1: Write the proportion equation
292,515.20 : 438,116.70 = 240,027.20 : x - Step 2: Convert to fraction form
292,515.20/438,116.70 = 240,027.20/x - Step 3: Cross multiply
292,515.20x = 438,116.70 × 240,027.20 - Step 4: Simplify right side
292,515.20x = 105,159,924,774.24 - Step 5: Solve for x
x = 105,159,924,774.24/292,515.20 - Step 6: Final answer
x = 359,502.43
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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.