Finding the Fourth Proportional to 219,276.24, 302,598.84 and 128,614.80
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Solution
The fourth proportional to 219,276.24, 302,598.84 and 128,614.80 is: 177,487.03
Step by Step Solution
- Step 1: Write the proportion equation
219,276.24 : 302,598.84 = 128,614.80 : x - Step 2: Convert to fraction form
219,276.24/302,598.84 = 128,614.80/x - Step 3: Cross multiply
219,276.24x = 302,598.84 × 128,614.80 - Step 4: Simplify right side
219,276.24x = 38,918,689,286.83 - Step 5: Solve for x
x = 38,918,689,286.83/219,276.24 - Step 6: Final answer
x = 177,487.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.