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Finding the Fourth Proportional to 335,712.40, 463,281.90 and 184,809.40

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Solution

The fourth proportional to 335,712.40, 463,281.90 and 184,809.40 is: 255,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,712.40 : 463,281.90 = 184,809.40 : x
  2. Step 2: Convert to fraction form
    335,712.40/463,281.90 = 184,809.40/x
  3. Step 3: Cross multiply
    335,712.40x = 463,281.90 × 184,809.40
  4. Step 4: Simplify right side
    335,712.40x = 85,618,849,969.86
  5. Step 5: Solve for x
    x = 85,618,849,969.86/335,712.40
  6. Step 6: Final answer
    x = 255,036.30

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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.