Finding the Fourth Proportional to 617,276.12, 851,652.08 and 402,337.76
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Solution
The fourth proportional to 617,276.12, 851,652.08 and 402,337.76 is: 555,102.94
Step by Step Solution
- Step 1: Write the proportion equation
617,276.12 : 851,652.08 = 402,337.76 : x - Step 2: Convert to fraction form
617,276.12/851,652.08 = 402,337.76/x - Step 3: Cross multiply
617,276.12x = 851,652.08 × 402,337.76 - Step 4: Simplify right side
617,276.12x = 342,651,790,166.54 - Step 5: Solve for x
x = 342,651,790,166.54/617,276.12 - Step 6: Final answer
x = 555,102.94
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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.