Home / 346,817.80-519,837.90-147,104.20

Finding the Fourth Proportional to 346,817.80, 519,837.90 and 147,104.20

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Solution

The fourth proportional to 346,817.80, 519,837.90 and 147,104.20 is: 220,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,817.80 : 519,837.90 = 147,104.20 : x
  2. Step 2: Convert to fraction form
    346,817.80/519,837.90 = 147,104.20/x
  3. Step 3: Cross multiply
    346,817.80x = 519,837.90 × 147,104.20
  4. Step 4: Simplify right side
    346,817.80x = 76,470,338,409.18
  5. Step 5: Solve for x
    x = 76,470,338,409.18/346,817.80
  6. Step 6: Final answer
    x = 220,491.39

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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.