Home / 430,256.64-644,991.36-180,956.16

Finding the Fourth Proportional to 430,256.64, 644,991.36 and 180,956.16

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Solution

The fourth proportional to 430,256.64, 644,991.36 and 180,956.16 is: 271,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,256.64 : 644,991.36 = 180,956.16 : x
  2. Step 2: Convert to fraction form
    430,256.64/644,991.36 = 180,956.16/x
  3. Step 3: Cross multiply
    430,256.64x = 644,991.36 × 180,956.16
  4. Step 4: Simplify right side
    430,256.64x = 116,715,159,738.78
  5. Step 5: Solve for x
    x = 116,715,159,738.78/430,256.64
  6. Step 6: Final answer
    x = 271,268.70

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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.