Home / 348,865.20-523,297.80-208,897.20

Finding the Fourth Proportional to 348,865.20, 523,297.80 and 208,897.20

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Solution

The fourth proportional to 348,865.20, 523,297.80 and 208,897.20 is: 313,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,865.20 : 523,297.80 = 208,897.20 : x
  2. Step 2: Convert to fraction form
    348,865.20/523,297.80 = 208,897.20/x
  3. Step 3: Cross multiply
    348,865.20x = 523,297.80 × 208,897.20
  4. Step 4: Simplify right side
    348,865.20x = 109,315,445,186.16
  5. Step 5: Solve for x
    x = 109,315,445,186.16/348,865.20
  6. Step 6: Final answer
    x = 313,345.80

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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.