Home / 230,017.84-317,433.04-128,048.56

Finding the Fourth Proportional to 230,017.84, 317,433.04 and 128,048.56

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Solution

The fourth proportional to 230,017.84, 317,433.04 and 128,048.56 is: 176,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,017.84 : 317,433.04 = 128,048.56 : x
  2. Step 2: Convert to fraction form
    230,017.84/317,433.04 = 128,048.56/x
  3. Step 3: Cross multiply
    230,017.84x = 317,433.04 × 128,048.56
  4. Step 4: Simplify right side
    230,017.84x = 40,646,843,668.42
  5. Step 5: Solve for x
    x = 40,646,843,668.42/230,017.84
  6. Step 6: Final answer
    x = 176,711.70

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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.