Finding the Fourth Proportional to 175,867.41, 242,701.51 and 107,921.91
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Solution
The fourth proportional to 175,867.41, 242,701.51 and 107,921.91 is: 148,934.99
Step by Step Solution
- Step 1: Write the proportion equation
175,867.41 : 242,701.51 = 107,921.91 : x - Step 2: Convert to fraction form
175,867.41/242,701.51 = 107,921.91/x - Step 3: Cross multiply
175,867.41x = 242,701.51 × 107,921.91 - Step 4: Simplify right side
175,867.41x = 26,192,810,519.08 - Step 5: Solve for x
x = 26,192,810,519.08/175,867.41 - Step 6: Final answer
x = 148,934.99
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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.