Home / 257,303.16-354,285.90-228,572.82

Finding the Fourth Proportional to 257,303.16, 354,285.90 and 228,572.82

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Solution

The fourth proportional to 257,303.16, 354,285.90 and 228,572.82 is: 314,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,303.16 : 354,285.90 = 228,572.82 : x
  2. Step 2: Convert to fraction form
    257,303.16/354,285.90 = 228,572.82/x
  3. Step 3: Cross multiply
    257,303.16x = 354,285.90 × 228,572.82
  4. Step 4: Simplify right side
    257,303.16x = 80,980,127,249.24
  5. Step 5: Solve for x
    x = 80,980,127,249.24/257,303.16
  6. Step 6: Final answer
    x = 314,726.52

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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.