Home / 459,621.68-634,262.74-255,666.92

Finding the Fourth Proportional to 459,621.68, 634,262.74 and 255,666.92

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Solution

The fourth proportional to 459,621.68, 634,262.74 and 255,666.92 is: 352,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,621.68 : 634,262.74 = 255,666.92 : x
  2. Step 2: Convert to fraction form
    459,621.68/634,262.74 = 255,666.92/x
  3. Step 3: Cross multiply
    459,621.68x = 634,262.74 × 255,666.92
  4. Step 4: Simplify right side
    459,621.68x = 162,159,997,396.08
  5. Step 5: Solve for x
    x = 162,159,997,396.08/459,621.68
  6. Step 6: Final answer
    x = 352,811.90

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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.