Finding the Fourth Proportional to 386,722.18, 533,774.71 and 264,264.14
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Solution
The fourth proportional to 386,722.18, 533,774.71 and 264,264.14 is: 364,751.55
Step by Step Solution
- Step 1: Write the proportion equation
386,722.18 : 533,774.71 = 264,264.14 : x - Step 2: Convert to fraction form
386,722.18/533,774.71 = 264,264.14/x - Step 3: Cross multiply
386,722.18x = 533,774.71 × 264,264.14 - Step 4: Simplify right side
386,722.18x = 141,057,513,354.18 - Step 5: Solve for x
x = 141,057,513,354.18/386,722.18 - Step 6: Final answer
x = 364,751.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.