Finding the Fourth Proportional to 519,344.80, 779,036.64 and 145,358.08
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Solution
The fourth proportional to 519,344.80, 779,036.64 and 145,358.08 is: 218,042.56
Step by Step Solution
- Step 1: Write the proportion equation
519,344.80 : 779,036.64 = 145,358.08 : x - Step 2: Convert to fraction form
519,344.80/779,036.64 = 145,358.08/x - Step 3: Cross multiply
519,344.80x = 779,036.64 × 145,358.08 - Step 4: Simplify right side
519,344.80x = 113,239,270,240.05 - Step 5: Solve for x
x = 113,239,270,240.05/519,344.80 - Step 6: Final answer
x = 218,042.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.