Finding the Fourth Proportional to 257,294.32, 355,239.66 and 160,645.48
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Solution
The fourth proportional to 257,294.32, 355,239.66 and 160,645.48 is: 221,799.09
Step by Step Solution
- Step 1: Write the proportion equation
257,294.32 : 355,239.66 = 160,645.48 : x - Step 2: Convert to fraction form
257,294.32/355,239.66 = 160,645.48/x - Step 3: Cross multiply
257,294.32x = 355,239.66 × 160,645.48 - Step 4: Simplify right side
257,294.32x = 57,067,645,695.74 - Step 5: Solve for x
x = 57,067,645,695.74/257,294.32 - Step 6: Final answer
x = 221,799.09
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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.