Finding the Fourth Proportional to 669,963.60, 924,539.04 and 368,151.12
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Solution
The fourth proportional to 669,963.60, 924,539.04 and 368,151.12 is: 508,042.65
Step by Step Solution
- Step 1: Write the proportion equation
669,963.60 : 924,539.04 = 368,151.12 : x - Step 2: Convert to fraction form
669,963.60/924,539.04 = 368,151.12/x - Step 3: Cross multiply
669,963.60x = 924,539.04 × 368,151.12 - Step 4: Simplify right side
669,963.60x = 340,370,083,059.73 - Step 5: Solve for x
x = 340,370,083,059.73/669,963.60 - Step 6: Final answer
x = 508,042.65
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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.