Home / 268,020.78-370,041.76-166,155.12

Finding the Fourth Proportional to 268,020.78, 370,041.76 and 166,155.12

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Solution

The fourth proportional to 268,020.78, 370,041.76 and 166,155.12 is: 229,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,020.78 : 370,041.76 = 166,155.12 : x
  2. Step 2: Convert to fraction form
    268,020.78/370,041.76 = 166,155.12/x
  3. Step 3: Cross multiply
    268,020.78x = 370,041.76 × 166,155.12
  4. Step 4: Simplify right side
    268,020.78x = 61,484,333,037.81
  5. Step 5: Solve for x
    x = 61,484,333,037.81/268,020.78
  6. Step 6: Final answer
    x = 229,401.37

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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.