Home / 255,488.80-352,307.28-190,856.76

Finding the Fourth Proportional to 255,488.80, 352,307.28 and 190,856.76

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Solution

The fourth proportional to 255,488.80, 352,307.28 and 190,856.76 is: 263,182.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,488.80 : 352,307.28 = 190,856.76 : x
  2. Step 2: Convert to fraction form
    255,488.80/352,307.28 = 190,856.76/x
  3. Step 3: Cross multiply
    255,488.80x = 352,307.28 × 190,856.76
  4. Step 4: Simplify right side
    255,488.80x = 67,240,225,985.21
  5. Step 5: Solve for x
    x = 67,240,225,985.21/255,488.80
  6. Step 6: Final answer
    x = 263,182.68

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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.