Finding the Fourth Proportional to 316,975.16, 437,423.12 and 173,734.88
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Solution
The fourth proportional to 316,975.16, 437,423.12 and 173,734.88 is: 239,752.71
Step by Step Solution
- Step 1: Write the proportion equation
316,975.16 : 437,423.12 = 173,734.88 : x - Step 2: Convert to fraction form
316,975.16/437,423.12 = 173,734.88/x - Step 3: Cross multiply
316,975.16x = 437,423.12 × 173,734.88 - Step 4: Simplify right side
316,975.16x = 75,995,653,262.43 - Step 5: Solve for x
x = 75,995,653,262.43/316,975.16 - Step 6: Final answer
x = 239,752.71
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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.