Finding the Fourth Proportional to 245,101.91, 338,248.84 and 136,210.84
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Solution
The fourth proportional to 245,101.91, 338,248.84 and 136,210.84 is: 187,975.51
Step by Step Solution
- Step 1: Write the proportion equation
245,101.91 : 338,248.84 = 136,210.84 : x - Step 2: Convert to fraction form
245,101.91/338,248.84 = 136,210.84/x - Step 3: Cross multiply
245,101.91x = 338,248.84 × 136,210.84 - Step 4: Simplify right side
245,101.91x = 46,073,156,934.18 - Step 5: Solve for x
x = 46,073,156,934.18/245,101.91 - Step 6: Final answer
x = 187,975.51
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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.