Finding the Fourth Proportional to 453,937.12, 626,412.98 and 260,205.91
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Solution
The fourth proportional to 453,937.12, 626,412.98 and 260,205.91 is: 359,072.55
Step by Step Solution
- Step 1: Write the proportion equation
453,937.12 : 626,412.98 = 260,205.91 : x - Step 2: Convert to fraction form
453,937.12/626,412.98 = 260,205.91/x - Step 3: Cross multiply
453,937.12x = 626,412.98 × 260,205.91 - Step 4: Simplify right side
453,937.12x = 162,996,359,977.07 - Step 5: Solve for x
x = 162,996,359,977.07/453,937.12 - Step 6: Final answer
x = 359,072.55
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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.