Home / 346,305.90-477,820.98-210,336.06

Finding the Fourth Proportional to 346,305.90, 477,820.98 and 210,336.06

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Solution

The fourth proportional to 346,305.90, 477,820.98 and 210,336.06 is: 290,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,305.90 : 477,820.98 = 210,336.06 : x
  2. Step 2: Convert to fraction form
    346,305.90/477,820.98 = 210,336.06/x
  3. Step 3: Cross multiply
    346,305.90x = 477,820.98 × 210,336.06
  4. Step 4: Simplify right side
    346,305.90x = 100,502,982,318.54
  5. Step 5: Solve for x
    x = 100,502,982,318.54/346,305.90
  6. Step 6: Final answer
    x = 290,214.47

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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.