Finding the Fourth Proportional to 631,972.80, 948,615.12 and 366,252.48
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Solution
The fourth proportional to 631,972.80, 948,615.12 and 366,252.48 is: 549,758.85
Step by Step Solution
- Step 1: Write the proportion equation
631,972.80 : 948,615.12 = 366,252.48 : x - Step 2: Convert to fraction form
631,972.80/948,615.12 = 366,252.48/x - Step 3: Cross multiply
631,972.80x = 948,615.12 × 366,252.48 - Step 4: Simplify right side
631,972.80x = 347,432,640,265.50 - Step 5: Solve for x
x = 347,432,640,265.50/631,972.80 - Step 6: Final answer
x = 549,758.85
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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.