Finding the Fourth Proportional to 537,781.44, 742,122.90 and 308,331.12
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Solution
The fourth proportional to 537,781.44, 742,122.90 and 308,331.12 is: 425,488.07
Step by Step Solution
- Step 1: Write the proportion equation
537,781.44 : 742,122.90 = 308,331.12 : x - Step 2: Convert to fraction form
537,781.44/742,122.90 = 308,331.12/x - Step 3: Cross multiply
537,781.44x = 742,122.90 × 308,331.12 - Step 4: Simplify right side
537,781.44x = 228,819,584,934.65 - Step 5: Solve for x
x = 228,819,584,934.65/537,781.44 - Step 6: Final answer
x = 425,488.07
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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.