Finding the Fourth Proportional to 251,987.95, 378,036.67 and 117,134.80
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Solution
The fourth proportional to 251,987.95, 378,036.67 and 117,134.80 is: 175,727.65
Step by Step Solution
- Step 1: Write the proportion equation
251,987.95 : 378,036.67 = 117,134.80 : x - Step 2: Convert to fraction form
251,987.95/378,036.67 = 117,134.80/x - Step 3: Cross multiply
251,987.95x = 378,036.67 × 117,134.80 - Step 4: Simplify right side
251,987.95x = 44,281,249,733.12 - Step 5: Solve for x
x = 44,281,249,733.12/251,987.95 - Step 6: Final answer
x = 175,727.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.