Home / 380,444.06-525,029.31-210,678.19

Finding the Fourth Proportional to 380,444.06, 525,029.31 and 210,678.19

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Solution

The fourth proportional to 380,444.06, 525,029.31 and 210,678.19 is: 290,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,444.06 : 525,029.31 = 210,678.19 : x
  2. Step 2: Convert to fraction form
    380,444.06/525,029.31 = 210,678.19/x
  3. Step 3: Cross multiply
    380,444.06x = 525,029.31 × 210,678.19
  4. Step 4: Simplify right side
    380,444.06x = 110,612,223,415.18
  5. Step 5: Solve for x
    x = 110,612,223,415.18/380,444.06
  6. Step 6: Final answer
    x = 290,745.04

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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.