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Finding the Fourth Proportional to 286,672.37, 430,127.01 and 144,441.63

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Solution

The fourth proportional to 286,672.37, 430,127.01 and 144,441.63 is: 216,722.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,672.37 : 430,127.01 = 144,441.63 : x
  2. Step 2: Convert to fraction form
    286,672.37/430,127.01 = 144,441.63/x
  3. Step 3: Cross multiply
    286,672.37x = 430,127.01 × 144,441.63
  4. Step 4: Simplify right side
    286,672.37x = 62,128,246,431.43
  5. Step 5: Solve for x
    x = 62,128,246,431.43/286,672.37
  6. Step 6: Final answer
    x = 216,722.13

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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.