Finding the Fourth Proportional to 310,337.80, 428,266.52 and 176,201.80
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Solution
The fourth proportional to 310,337.80, 428,266.52 and 176,201.80 is: 243,158.69
Step by Step Solution
- Step 1: Write the proportion equation
310,337.80 : 428,266.52 = 176,201.80 : x - Step 2: Convert to fraction form
310,337.80/428,266.52 = 176,201.80/x - Step 3: Cross multiply
310,337.80x = 428,266.52 × 176,201.80 - Step 4: Simplify right side
310,337.80x = 75,461,331,703.74 - Step 5: Solve for x
x = 75,461,331,703.74/310,337.80 - Step 6: Final answer
x = 243,158.69
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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.