Finding the Fourth Proportional to 288,542.76, 432,439.08 and 117,564.88
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Solution
The fourth proportional to 288,542.76, 432,439.08 and 117,564.88 is: 176,194.50
Step by Step Solution
- Step 1: Write the proportion equation
288,542.76 : 432,439.08 = 117,564.88 : x - Step 2: Convert to fraction form
288,542.76/432,439.08 = 117,564.88/x - Step 3: Cross multiply
288,542.76x = 432,439.08 × 117,564.88 - Step 4: Simplify right side
288,542.76x = 50,839,648,547.51 - Step 5: Solve for x
x = 50,839,648,547.51/288,542.76 - Step 6: Final answer
x = 176,194.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.