Home / 268,677.13-370,777.53-153,953.50

Finding the Fourth Proportional to 268,677.13, 370,777.53 and 153,953.50

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Solution

The fourth proportional to 268,677.13, 370,777.53 and 153,953.50 is: 212,457.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,677.13 : 370,777.53 = 153,953.50 : x
  2. Step 2: Convert to fraction form
    268,677.13/370,777.53 = 153,953.50/x
  3. Step 3: Cross multiply
    268,677.13x = 370,777.53 × 153,953.50
  4. Step 4: Simplify right side
    268,677.13x = 57,082,498,464.86
  5. Step 5: Solve for x
    x = 57,082,498,464.86/268,677.13
  6. Step 6: Final answer
    x = 212,457.60

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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.