Finding the Fourth Proportional to 288,356.24, 432,534.36 and 148,036.88
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Solution
The fourth proportional to 288,356.24, 432,534.36 and 148,036.88 is: 222,055.32
Step by Step Solution
- Step 1: Write the proportion equation
288,356.24 : 432,534.36 = 148,036.88 : x - Step 2: Convert to fraction form
288,356.24/432,534.36 = 148,036.88/x - Step 3: Cross multiply
288,356.24x = 432,534.36 × 148,036.88 - Step 4: Simplify right side
288,356.24x = 64,031,037,147.20 - Step 5: Solve for x
x = 64,031,037,147.20/288,356.24 - Step 6: Final answer
x = 222,055.32
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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.