Finding the Fourth Proportional to 531,908.20, 797,862.30 and 266,187.70
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Solution
The fourth proportional to 531,908.20, 797,862.30 and 266,187.70 is: 399,281.55
Step by Step Solution
- Step 1: Write the proportion equation
531,908.20 : 797,862.30 = 266,187.70 : x - Step 2: Convert to fraction form
531,908.20/797,862.30 = 266,187.70/x - Step 3: Cross multiply
531,908.20x = 797,862.30 × 266,187.70 - Step 4: Simplify right side
531,908.20x = 212,381,130,553.71 - Step 5: Solve for x
x = 212,381,130,553.71/531,908.20 - Step 6: Final answer
x = 399,281.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.