Finding the Fourth Proportional to 316,727.28, 437,083.80 and 173,489.68
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Solution
The fourth proportional to 316,727.28, 437,083.80 and 173,489.68 is: 239,415.84
Step by Step Solution
- Step 1: Write the proportion equation
316,727.28 : 437,083.80 = 173,489.68 : x - Step 2: Convert to fraction form
316,727.28/437,083.80 = 173,489.68/x - Step 3: Cross multiply
316,727.28x = 437,083.80 × 173,489.68 - Step 4: Simplify right side
316,727.28x = 75,829,528,595.18 - Step 5: Solve for x
x = 75,829,528,595.18/316,727.28 - Step 6: Final answer
x = 239,415.84
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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.