Finding the Fourth Proportional to 373,420.08, 515,306.88 and 212,281.92
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Solution
The fourth proportional to 373,420.08, 515,306.88 and 212,281.92 is: 292,941.76
Step by Step Solution
- Step 1: Write the proportion equation
373,420.08 : 515,306.88 = 212,281.92 : x - Step 2: Convert to fraction form
373,420.08/515,306.88 = 212,281.92/x - Step 3: Cross multiply
373,420.08x = 515,306.88 × 212,281.92 - Step 4: Simplify right side
373,420.08x = 109,390,333,875.61 - Step 5: Solve for x
x = 109,390,333,875.61/373,420.08 - Step 6: Final answer
x = 292,941.76
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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.