Finding the Fourth Proportional to 468,438.26, 646,445.14 and 253,577.66
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Solution
The fourth proportional to 468,438.26, 646,445.14 and 253,577.66 is: 349,937.35
Step by Step Solution
- Step 1: Write the proportion equation
468,438.26 : 646,445.14 = 253,577.66 : x - Step 2: Convert to fraction form
468,438.26/646,445.14 = 253,577.66/x - Step 3: Cross multiply
468,438.26x = 646,445.14 × 253,577.66 - Step 4: Simplify right side
468,438.26x = 163,924,042,053.40 - Step 5: Solve for x
x = 163,924,042,053.40/468,438.26 - Step 6: Final answer
x = 349,937.35
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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.