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Finding the Fourth Proportional to 270,878.29, 406,715.33 and 266,094.40

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Solution

The fourth proportional to 270,878.29, 406,715.33 and 266,094.40 is: 399,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,878.29 : 406,715.33 = 266,094.40 : x
  2. Step 2: Convert to fraction form
    270,878.29/406,715.33 = 266,094.40/x
  3. Step 3: Cross multiply
    270,878.29x = 406,715.33 × 266,094.40
  4. Step 4: Simplify right side
    270,878.29x = 108,224,671,707.15
  5. Step 5: Solve for x
    x = 108,224,671,707.15/270,878.29
  6. Step 6: Final answer
    x = 399,532.47

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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.