Home / 346,723.70-520,085.55-147,010.10

Finding the Fourth Proportional to 346,723.70, 520,085.55 and 147,010.10

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Solution

The fourth proportional to 346,723.70, 520,085.55 and 147,010.10 is: 220,515.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.70 : 520,085.55 = 147,010.10 : x
  2. Step 2: Convert to fraction form
    346,723.70/520,085.55 = 147,010.10/x
  3. Step 3: Cross multiply
    346,723.70x = 520,085.55 × 147,010.10
  4. Step 4: Simplify right side
    346,723.70x = 76,457,828,714.06
  5. Step 5: Solve for x
    x = 76,457,828,714.06/346,723.70
  6. Step 6: Final answer
    x = 220,515.15

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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.