Home / 284,210.40-426,315.64-144,009.12

Finding the Fourth Proportional to 284,210.40, 426,315.64 and 144,009.12

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Solution

The fourth proportional to 284,210.40, 426,315.64 and 144,009.12 is: 216,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,210.40 : 426,315.64 = 144,009.12 : x
  2. Step 2: Convert to fraction form
    284,210.40/426,315.64 = 144,009.12/x
  3. Step 3: Cross multiply
    284,210.40x = 426,315.64 × 144,009.12
  4. Step 4: Simplify right side
    284,210.40x = 61,393,340,158.64
  5. Step 5: Solve for x
    x = 61,393,340,158.64/284,210.40
  6. Step 6: Final answer
    x = 216,013.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.