Home / 358,985.13-495,396.93-197,840.31

Finding the Fourth Proportional to 358,985.13, 495,396.93 and 197,840.31

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Solution

The fourth proportional to 358,985.13, 495,396.93 and 197,840.31 is: 273,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,985.13 : 495,396.93 = 197,840.31 : x
  2. Step 2: Convert to fraction form
    358,985.13/495,396.93 = 197,840.31/x
  3. Step 3: Cross multiply
    358,985.13x = 495,396.93 × 197,840.31
  4. Step 4: Simplify right side
    358,985.13x = 98,009,482,204.25
  5. Step 5: Solve for x
    x = 98,009,482,204.25/358,985.13
  6. Step 6: Final answer
    x = 273,018.22

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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.