Home / 257,916.02-355,924.30-144,738.76

Finding the Fourth Proportional to 257,916.02, 355,924.30 and 144,738.76

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Solution

The fourth proportional to 257,916.02, 355,924.30 and 144,738.76 is: 199,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,916.02 : 355,924.30 = 144,738.76 : x
  2. Step 2: Convert to fraction form
    257,916.02/355,924.30 = 144,738.76/x
  3. Step 3: Cross multiply
    257,916.02x = 355,924.30 × 144,738.76
  4. Step 4: Simplify right side
    257,916.02x = 51,516,041,835.87
  5. Step 5: Solve for x
    x = 51,516,041,835.87/257,916.02
  6. Step 6: Final answer
    x = 199,739.60

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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.