Home / 348,030.20-522,045.30-297,291.80

Finding the Fourth Proportional to 348,030.20, 522,045.30 and 297,291.80

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Solution

The fourth proportional to 348,030.20, 522,045.30 and 297,291.80 is: 445,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,030.20 : 522,045.30 = 297,291.80 : x
  2. Step 2: Convert to fraction form
    348,030.20/522,045.30 = 297,291.80/x
  3. Step 3: Cross multiply
    348,030.20x = 522,045.30 × 297,291.80
  4. Step 4: Simplify right side
    348,030.20x = 155,199,786,918.54
  5. Step 5: Solve for x
    x = 155,199,786,918.54/348,030.20
  6. Step 6: Final answer
    x = 445,937.70

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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.