Home / 459,970.09-634,753.88-256,017.76

Finding the Fourth Proportional to 459,970.09, 634,753.88 and 256,017.76

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Solution

The fourth proportional to 459,970.09, 634,753.88 and 256,017.76 is: 353,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,970.09 : 634,753.88 = 256,017.76 : x
  2. Step 2: Convert to fraction form
    459,970.09/634,753.88 = 256,017.76/x
  3. Step 3: Cross multiply
    459,970.09x = 634,753.88 × 256,017.76
  4. Step 4: Simplify right side
    459,970.09x = 162,508,265,228.82
  5. Step 5: Solve for x
    x = 162,508,265,228.82/459,970.09
  6. Step 6: Final answer
    x = 353,301.81

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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.