Home / 268,297.76-370,243.23-152,000.39

Finding the Fourth Proportional to 268,297.76, 370,243.23 and 152,000.39

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Solution

The fourth proportional to 268,297.76, 370,243.23 and 152,000.39 is: 209,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,297.76 : 370,243.23 = 152,000.39 : x
  2. Step 2: Convert to fraction form
    268,297.76/370,243.23 = 152,000.39/x
  3. Step 3: Cross multiply
    268,297.76x = 370,243.23 × 152,000.39
  4. Step 4: Simplify right side
    268,297.76x = 56,277,115,354.86
  5. Step 5: Solve for x
    x = 56,277,115,354.86/268,297.76
  6. Step 6: Final answer
    x = 209,756.19

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1.5x scale

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.