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Finding the Fourth Proportional to 291,284.76, 436,746.12 and 122,718.24

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Solution

The fourth proportional to 291,284.76, 436,746.12 and 122,718.24 is: 184,001.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,284.76 : 436,746.12 = 122,718.24 : x
  2. Step 2: Convert to fraction form
    291,284.76/436,746.12 = 122,718.24/x
  3. Step 3: Cross multiply
    291,284.76x = 436,746.12 × 122,718.24
  4. Step 4: Simplify right side
    291,284.76x = 53,596,715,173.23
  5. Step 5: Solve for x
    x = 53,596,715,173.23/291,284.76
  6. Step 6: Final answer
    x = 184,001.10

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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.