Finding the Fourth Proportional to 374,318.52, 516,612.24 and 238,309.02
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Solution
The fourth proportional to 374,318.52, 516,612.24 and 238,309.02 is: 328,899.99
Step by Step Solution
- Step 1: Write the proportion equation
374,318.52 : 516,612.24 = 238,309.02 : x - Step 2: Convert to fraction form
374,318.52/516,612.24 = 238,309.02/x - Step 3: Cross multiply
374,318.52x = 516,612.24 × 238,309.02 - Step 4: Simplify right side
374,318.52x = 123,113,356,634.41 - Step 5: Solve for x
x = 123,113,356,634.41/374,318.52 - Step 6: Final answer
x = 328,899.99
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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.