Home / 320,303.76-442,016.72-184,364.40

Finding the Fourth Proportional to 320,303.76, 442,016.72 and 184,364.40

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Solution

The fourth proportional to 320,303.76, 442,016.72 and 184,364.40 is: 254,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,303.76 : 442,016.72 = 184,364.40 : x
  2. Step 2: Convert to fraction form
    320,303.76/442,016.72 = 184,364.40/x
  3. Step 3: Cross multiply
    320,303.76x = 442,016.72 × 184,364.40
  4. Step 4: Simplify right side
    320,303.76x = 81,492,147,372.77
  5. Step 5: Solve for x
    x = 81,492,147,372.77/320,303.76
  6. Step 6: Final answer
    x = 254,421.45

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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.