Finding the Fourth Proportional to 398,885.08, 550,451.76 and 229,130.12
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Solution
The fourth proportional to 398,885.08, 550,451.76 and 229,130.12 is: 316,194.02
Step by Step Solution
- Step 1: Write the proportion equation
398,885.08 : 550,451.76 = 229,130.12 : x - Step 2: Convert to fraction form
398,885.08/550,451.76 = 229,130.12/x - Step 3: Cross multiply
398,885.08x = 550,451.76 × 229,130.12 - Step 4: Simplify right side
398,885.08x = 126,125,077,823.01 - Step 5: Solve for x
x = 126,125,077,823.01/398,885.08 - Step 6: Final answer
x = 316,194.02
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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.