Home / 380,373.04-524,921.24-208,288.24

Finding the Fourth Proportional to 380,373.04, 524,921.24 and 208,288.24

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Solution

The fourth proportional to 380,373.04, 524,921.24 and 208,288.24 is: 287,441.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,373.04 : 524,921.24 = 208,288.24 : x
  2. Step 2: Convert to fraction form
    380,373.04/524,921.24 = 208,288.24/x
  3. Step 3: Cross multiply
    380,373.04x = 524,921.24 × 208,288.24
  4. Step 4: Simplify right side
    380,373.04x = 109,334,921,218.22
  5. Step 5: Solve for x
    x = 109,334,921,218.22/380,373.04
  6. Step 6: Final answer
    x = 287,441.30

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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.