Finding the Fourth Proportional to 344,585.47, 516,878.21 and 157,465.75
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Solution
The fourth proportional to 344,585.47, 516,878.21 and 157,465.75 is: 236,198.63
Step by Step Solution
- Step 1: Write the proportion equation
344,585.47 : 516,878.21 = 157,465.75 : x - Step 2: Convert to fraction form
344,585.47/516,878.21 = 157,465.75/x - Step 3: Cross multiply
344,585.47x = 516,878.21 × 157,465.75 - Step 4: Simplify right side
344,585.47x = 81,390,614,208.98 - Step 5: Solve for x
x = 81,390,614,208.98/344,585.47 - Step 6: Final answer
x = 236,198.63
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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.