Finding the Fourth Proportional to 318,374.22, 439,347.06 and 175,134.18
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Solution
The fourth proportional to 318,374.22, 439,347.06 and 175,134.18 is: 241,680.02
Step by Step Solution
- Step 1: Write the proportion equation
318,374.22 : 439,347.06 = 175,134.18 : x - Step 2: Convert to fraction form
318,374.22/439,347.06 = 175,134.18/x - Step 3: Cross multiply
318,374.22x = 439,347.06 × 175,134.18 - Step 4: Simplify right side
318,374.22x = 76,944,687,088.51 - Step 5: Solve for x
x = 76,944,687,088.51/318,374.22 - Step 6: Final answer
x = 241,680.02
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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.