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Finding the Fourth Proportional to 329,832.68, 455,130.69 and 184,646.40

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Solution

The fourth proportional to 329,832.68, 455,130.69 and 184,646.40 is: 254,790.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,832.68 : 455,130.69 = 184,646.40 : x
  2. Step 2: Convert to fraction form
    329,832.68/455,130.69 = 184,646.40/x
  3. Step 3: Cross multiply
    329,832.68x = 455,130.69 × 184,646.40
  4. Step 4: Simplify right side
    329,832.68x = 84,038,243,438.02
  5. Step 5: Solve for x
    x = 84,038,243,438.02/329,832.68
  6. Step 6: Final answer
    x = 254,790.53

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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.