Home / 243,009.30-364,513.95-153,998.40

Finding the Fourth Proportional to 243,009.30, 364,513.95 and 153,998.40

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Solution

The fourth proportional to 243,009.30, 364,513.95 and 153,998.40 is: 230,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,009.30 : 364,513.95 = 153,998.40 : x
  2. Step 2: Convert to fraction form
    243,009.30/364,513.95 = 153,998.40/x
  3. Step 3: Cross multiply
    243,009.30x = 364,513.95 × 153,998.40
  4. Step 4: Simplify right side
    243,009.30x = 56,134,565,077.68
  5. Step 5: Solve for x
    x = 56,134,565,077.68/243,009.30
  6. Step 6: Final answer
    x = 230,997.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.