Home / 257,258.34-355,139.91-180,842.94

Finding the Fourth Proportional to 257,258.34, 355,139.91 and 180,842.94

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Solution

The fourth proportional to 257,258.34, 355,139.91 and 180,842.94 is: 249,650.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,258.34 : 355,139.91 = 180,842.94 : x
  2. Step 2: Convert to fraction form
    257,258.34/355,139.91 = 180,842.94/x
  3. Step 3: Cross multiply
    257,258.34x = 355,139.91 × 180,842.94
  4. Step 4: Simplify right side
    257,258.34x = 64,224,545,435.74
  5. Step 5: Solve for x
    x = 64,224,545,435.74/257,258.34
  6. Step 6: Final answer
    x = 249,650.00

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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.