Finding the Fourth Proportional to 288,239.38, 432,621.44 and 153,416.63
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Solution
The fourth proportional to 288,239.38, 432,621.44 and 153,416.63 is: 230,264.60
Step by Step Solution
- Step 1: Write the proportion equation
288,239.38 : 432,621.44 = 153,416.63 : x - Step 2: Convert to fraction form
288,239.38/432,621.44 = 153,416.63/x - Step 3: Cross multiply
288,239.38x = 432,621.44 × 153,416.63 - Step 4: Simplify right side
288,239.38x = 66,371,323,705.02 - Step 5: Solve for x
x = 66,371,323,705.02/288,239.38 - Step 6: Final answer
x = 230,264.60
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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.