Home / 380,522.16-524,921.48-235,281.51

Finding the Fourth Proportional to 380,522.16, 524,921.48 and 235,281.51

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Solution

The fourth proportional to 380,522.16, 524,921.48 and 235,281.51 is: 324,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,522.16 : 524,921.48 = 235,281.51 : x
  2. Step 2: Convert to fraction form
    380,522.16/524,921.48 = 235,281.51/x
  3. Step 3: Cross multiply
    380,522.16x = 524,921.48 × 235,281.51
  4. Step 4: Simplify right side
    380,522.16x = 123,504,319,509.17
  5. Step 5: Solve for x
    x = 123,504,319,509.17/380,522.16
  6. Step 6: Final answer
    x = 324,565.38

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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.