Finding the Fourth Proportional to 353,424.75, 487,726.17 and 194,448.75
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Solution
The fourth proportional to 353,424.75, 487,726.17 and 194,448.75 is: 268,339.28
Step by Step Solution
- Step 1: Write the proportion equation
353,424.75 : 487,726.17 = 194,448.75 : x - Step 2: Convert to fraction form
353,424.75/487,726.17 = 194,448.75/x - Step 3: Cross multiply
353,424.75x = 487,726.17 × 194,448.75 - Step 4: Simplify right side
353,424.75x = 94,837,744,098.79 - Step 5: Solve for x
x = 94,837,744,098.79/353,424.75 - Step 6: Final answer
x = 268,339.28
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1.5x scale
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.