Home / 467,931.78-645,745.85-253,071.84

Finding the Fourth Proportional to 467,931.78, 645,745.85 and 253,071.84

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Solution

The fourth proportional to 467,931.78, 645,745.85 and 253,071.84 is: 349,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,931.78 : 645,745.85 = 253,071.84 : x
  2. Step 2: Convert to fraction form
    467,931.78/645,745.85 = 253,071.84/x
  3. Step 3: Cross multiply
    467,931.78x = 645,745.85 × 253,071.84
  4. Step 4: Simplify right side
    467,931.78x = 163,420,089,166.51
  5. Step 5: Solve for x
    x = 163,420,089,166.51/467,931.78
  6. Step 6: Final answer
    x = 349,239.13

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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.