Finding the Fourth Proportional to 316,862.08, 437,267.16 and 173,621.75
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Solution
The fourth proportional to 316,862.08, 437,267.16 and 173,621.75 is: 239,596.63
Step by Step Solution
- Step 1: Write the proportion equation
316,862.08 : 437,267.16 = 173,621.75 : x - Step 2: Convert to fraction form
316,862.08/437,267.16 = 173,621.75/x - Step 3: Cross multiply
316,862.08x = 437,267.16 × 173,621.75 - Step 4: Simplify right side
316,862.08x = 75,919,087,350.39 - Step 5: Solve for x
x = 75,919,087,350.39/316,862.08 - Step 6: Final answer
x = 239,596.63
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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.