Home / 284,208.40-426,312.64-144,007.12

Finding the Fourth Proportional to 284,208.40, 426,312.64 and 144,007.12

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Solution

The fourth proportional to 284,208.40, 426,312.64 and 144,007.12 is: 216,010.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,208.40 : 426,312.64 = 144,007.12 : x
  2. Step 2: Convert to fraction form
    284,208.40/426,312.64 = 144,007.12/x
  3. Step 3: Cross multiply
    284,208.40x = 426,312.64 × 144,007.12
  4. Step 4: Simplify right side
    284,208.40x = 61,392,055,506.00
  5. Step 5: Solve for x
    x = 61,392,055,506.00/284,208.40
  6. Step 6: Final answer
    x = 216,010.70

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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.