Home / 346,723.68-478,488.15-195,820.68

Finding the Fourth Proportional to 346,723.68, 478,488.15 and 195,820.68

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Solution

The fourth proportional to 346,723.68, 478,488.15 and 195,820.68 is: 270,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,723.68 : 478,488.15 = 195,820.68 : x
  2. Step 2: Convert to fraction form
    346,723.68/478,488.15 = 195,820.68/x
  3. Step 3: Cross multiply
    346,723.68x = 478,488.15 × 195,820.68
  4. Step 4: Simplify right side
    346,723.68x = 93,697,874,904.94
  5. Step 5: Solve for x
    x = 93,697,874,904.94/346,723.68
  6. Step 6: Final answer
    x = 270,237.89

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1.5x scale

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.