Finding the Fourth Proportional to 288,316.08, 432,573.96 and 119,927.28
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Solution
The fourth proportional to 288,316.08, 432,573.96 and 119,927.28 is: 179,932.45
Step by Step Solution
- Step 1: Write the proportion equation
288,316.08 : 432,573.96 = 119,927.28 : x - Step 2: Convert to fraction form
288,316.08/432,573.96 = 119,927.28/x - Step 3: Cross multiply
288,316.08x = 432,573.96 × 119,927.28 - Step 4: Simplify right side
288,316.08x = 51,877,418,421.63 - Step 5: Solve for x
x = 51,877,418,421.63/288,316.08 - Step 6: Final answer
x = 179,932.45
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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.