Finding the Fourth Proportional to 288,102.08, 432,140.36 and 98,579.09
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Solution
The fourth proportional to 288,102.08, 432,140.36 and 98,579.09 is: 147,864.26
Step by Step Solution
- Step 1: Write the proportion equation
288,102.08 : 432,140.36 = 98,579.09 : x - Step 2: Convert to fraction form
288,102.08/432,140.36 = 98,579.09/x - Step 3: Cross multiply
288,102.08x = 432,140.36 × 98,579.09 - Step 4: Simplify right side
288,102.08x = 42,600,000,787.48 - Step 5: Solve for x
x = 42,600,000,787.48/288,102.08 - Step 6: Final answer
x = 147,864.26
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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.