Home / 307,880.04-425,167.91-291,106.66

Finding the Fourth Proportional to 307,880.04, 425,167.91 and 291,106.66

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Solution

The fourth proportional to 307,880.04, 425,167.91 and 291,106.66 is: 402,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,880.04 : 425,167.91 = 291,106.66 : x
  2. Step 2: Convert to fraction form
    307,880.04/425,167.91 = 291,106.66/x
  3. Step 3: Cross multiply
    307,880.04x = 425,167.91 × 291,106.66
  4. Step 4: Simplify right side
    307,880.04x = 123,769,210,408.41
  5. Step 5: Solve for x
    x = 123,769,210,408.41/307,880.04
  6. Step 6: Final answer
    x = 402,004.66

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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.