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Finding the Fourth Proportional to 307,365.69, 460,937.63 and 129,886.41

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Solution

The fourth proportional to 307,365.69, 460,937.63 and 129,886.41 is: 194,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,365.69 : 460,937.63 = 129,886.41 : x
  2. Step 2: Convert to fraction form
    307,365.69/460,937.63 = 129,886.41/x
  3. Step 3: Cross multiply
    307,365.69x = 460,937.63 × 129,886.41
  4. Step 4: Simplify right side
    307,365.69x = 59,869,533,345.18
  5. Step 5: Solve for x
    x = 59,869,533,345.18/307,365.69
  6. Step 6: Final answer
    x = 194,782.75

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1.5x scale

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.