Finding the Fourth Proportional to 257,496.96, 355,357.84 and 160,758.08
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Solution
The fourth proportional to 257,496.96, 355,357.84 and 160,758.08 is: 221,853.66
Step by Step Solution
- Step 1: Write the proportion equation
257,496.96 : 355,357.84 = 160,758.08 : x - Step 2: Convert to fraction form
257,496.96/355,357.84 = 160,758.08/x - Step 3: Cross multiply
257,496.96x = 355,357.84 × 160,758.08 - Step 4: Simplify right side
257,496.96x = 57,126,644,071.35 - Step 5: Solve for x
x = 57,126,644,071.35/257,496.96 - Step 6: Final answer
x = 221,853.66
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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.