Home / 409,437.12-565,017.46-228,156.69

Finding the Fourth Proportional to 409,437.12, 565,017.46 and 228,156.69

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Solution

The fourth proportional to 409,437.12, 565,017.46 and 228,156.69 is: 314,853.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,437.12 : 565,017.46 = 228,156.69 : x
  2. Step 2: Convert to fraction form
    409,437.12/565,017.46 = 228,156.69/x
  3. Step 3: Cross multiply
    409,437.12x = 565,017.46 × 228,156.69
  4. Step 4: Simplify right side
    409,437.12x = 128,912,513,465.81
  5. Step 5: Solve for x
    x = 128,912,513,465.81/409,437.12
  6. Step 6: Final answer
    x = 314,853.02

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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.