Finding the Fourth Proportional to 426,338.71, 588,358.11 and 242,567.15
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Solution
The fourth proportional to 426,338.71, 588,358.11 and 242,567.15 is: 334,748.75
Step by Step Solution
- Step 1: Write the proportion equation
426,338.71 : 588,358.11 = 242,567.15 : x - Step 2: Convert to fraction form
426,338.71/588,358.11 = 242,567.15/x - Step 3: Cross multiply
426,338.71x = 588,358.11 × 242,567.15 - Step 4: Simplify right side
426,338.71x = 142,716,347,889.92 - Step 5: Solve for x
x = 142,716,347,889.92/426,338.71 - Step 6: Final answer
x = 334,748.75
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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.