Finding the Fourth Proportional to 342,722.35, 473,607.48 and 257,691.79
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Solution
The fourth proportional to 342,722.35, 473,607.48 and 257,691.79 is: 356,103.88
Step by Step Solution
- Step 1: Write the proportion equation
342,722.35 : 473,607.48 = 257,691.79 : x - Step 2: Convert to fraction form
342,722.35/473,607.48 = 257,691.79/x - Step 3: Cross multiply
342,722.35x = 473,607.48 × 257,691.79 - Step 4: Simplify right side
342,722.35x = 122,044,759,278.59 - Step 5: Solve for x
x = 122,044,759,278.59/342,722.35 - Step 6: Final answer
x = 356,103.88
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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.