Home / 314,032.28-470,977.64-89,387.73

Finding the Fourth Proportional to 314,032.28, 470,977.64 and 89,387.73

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Solution

The fourth proportional to 314,032.28, 470,977.64 and 89,387.73 is: 134,061.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,032.28 : 470,977.64 = 89,387.73 : x
  2. Step 2: Convert to fraction form
    314,032.28/470,977.64 = 89,387.73/x
  3. Step 3: Cross multiply
    314,032.28x = 470,977.64 × 89,387.73
  4. Step 4: Simplify right side
    314,032.28x = 42,099,621,673.42
  5. Step 5: Solve for x
    x = 42,099,621,673.42/314,032.28
  6. Step 6: Final answer
    x = 134,061.45

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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.