Home / 459,856.98-634,614.75-255,921.66

Finding the Fourth Proportional to 459,856.98, 634,614.75 and 255,921.66

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Solution

The fourth proportional to 459,856.98, 634,614.75 and 255,921.66 is: 353,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,856.98 : 634,614.75 = 255,921.66 : x
  2. Step 2: Convert to fraction form
    459,856.98/634,614.75 = 255,921.66/x
  3. Step 3: Cross multiply
    459,856.98x = 634,614.75 × 255,921.66
  4. Step 4: Simplify right side
    459,856.98x = 162,411,660,280.49
  5. Step 5: Solve for x
    x = 162,411,660,280.49/459,856.98
  6. Step 6: Final answer
    x = 353,178.63

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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.