Home / 268,518.72-370,527.09-155,320.32

Finding the Fourth Proportional to 268,518.72, 370,527.09 and 155,320.32

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Solution

The fourth proportional to 268,518.72, 370,527.09 and 155,320.32 is: 214,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,518.72 : 370,527.09 = 155,320.32 : x
  2. Step 2: Convert to fraction form
    268,518.72/370,527.09 = 155,320.32/x
  3. Step 3: Cross multiply
    268,518.72x = 370,527.09 × 155,320.32
  4. Step 4: Simplify right side
    268,518.72x = 57,550,386,187.47
  5. Step 5: Solve for x
    x = 57,550,386,187.47/268,518.72
  6. Step 6: Final answer
    x = 214,325.42

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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.