Finding the Fourth Proportional to 319,101.87, 440,340.80 and 175,853.91
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Solution
The fourth proportional to 319,101.87, 440,340.80 and 175,853.91 is: 242,667.49
Step by Step Solution
- Step 1: Write the proportion equation
319,101.87 : 440,340.80 = 175,853.91 : x - Step 2: Convert to fraction form
319,101.87/440,340.80 = 175,853.91/x - Step 3: Cross multiply
319,101.87x = 440,340.80 × 175,853.91 - Step 4: Simplify right side
319,101.87x = 77,435,650,533.26 - Step 5: Solve for x
x = 77,435,650,533.26/319,101.87 - Step 6: Final answer
x = 242,667.49
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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.