Home / 380,370.18-524,927.25-210,604.32

Finding the Fourth Proportional to 380,370.18, 524,927.25 and 210,604.32

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Solution

The fourth proportional to 380,370.18, 524,927.25 and 210,604.32 is: 290,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,370.18 : 524,927.25 = 210,604.32 : x
  2. Step 2: Convert to fraction form
    380,370.18/524,927.25 = 210,604.32/x
  3. Step 3: Cross multiply
    380,370.18x = 524,927.25 × 210,604.32
  4. Step 4: Simplify right side
    380,370.18x = 110,551,946,535.72
  5. Step 5: Solve for x
    x = 110,551,946,535.72/380,370.18
  6. Step 6: Final answer
    x = 290,643.04

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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.