Home / 273,281.74-377,129.38-152,430.78

Finding the Fourth Proportional to 273,281.74, 377,129.38 and 152,430.78

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Solution

The fourth proportional to 273,281.74, 377,129.38 and 152,430.78 is: 210,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,281.74 : 377,129.38 = 152,430.78 : x
  2. Step 2: Convert to fraction form
    273,281.74/377,129.38 = 152,430.78/x
  3. Step 3: Cross multiply
    273,281.74x = 377,129.38 × 152,430.78
  4. Step 4: Simplify right side
    273,281.74x = 57,486,125,554.32
  5. Step 5: Solve for x
    x = 57,486,125,554.32/273,281.74
  6. Step 6: Final answer
    x = 210,354.80

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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.