Home / 380,650.18-525,276.57-210,874.18

Finding the Fourth Proportional to 380,650.18, 525,276.57 and 210,874.18

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Solution

The fourth proportional to 380,650.18, 525,276.57 and 210,874.18 is: 290,994.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,650.18 : 525,276.57 = 210,874.18 : x
  2. Step 2: Convert to fraction form
    380,650.18/525,276.57 = 210,874.18/x
  3. Step 3: Cross multiply
    380,650.18x = 525,276.57 × 210,874.18
  4. Step 4: Simplify right side
    380,650.18x = 110,767,265,971.96
  5. Step 5: Solve for x
    x = 110,767,265,971.96/380,650.18
  6. Step 6: Final answer
    x = 290,994.91

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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.