Home / 289,867.47-434,831.00-100,327.53

Finding the Fourth Proportional to 289,867.47, 434,831.00 and 100,327.53

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Solution

The fourth proportional to 289,867.47, 434,831.00 and 100,327.53 is: 150,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,867.47 : 434,831.00 = 100,327.53 : x
  2. Step 2: Convert to fraction form
    289,867.47/434,831.00 = 100,327.53/x
  3. Step 3: Cross multiply
    289,867.47x = 434,831.00 × 100,327.53
  4. Step 4: Simplify right side
    289,867.47x = 43,625,518,608.71
  5. Step 5: Solve for x
    x = 43,625,518,608.71/289,867.47
  6. Step 6: Final answer
    x = 150,501.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.