Finding the Fourth Proportional to 219,658.68, 303,117.12 and 124,159.68
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Solution
The fourth proportional to 219,658.68, 303,117.12 and 124,159.68 is: 171,333.66
Step by Step Solution
- Step 1: Write the proportion equation
219,658.68 : 303,117.12 = 124,159.68 : x - Step 2: Convert to fraction form
219,658.68/303,117.12 = 124,159.68/x - Step 3: Cross multiply
219,658.68x = 303,117.12 × 124,159.68 - Step 4: Simplify right side
219,658.68x = 37,634,924,621.72 - Step 5: Solve for x
x = 37,634,924,621.72/219,658.68 - Step 6: Final answer
x = 171,333.66
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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.