Home / 291,947.85-402,900-184,478.67

Finding the Fourth Proportional to 291,947.85, 402,900 and 184,478.67

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Solution

The fourth proportional to 291,947.85, 402,900 and 184,478.67 is: 254,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,947.85 : 402,900 = 184,478.67 : x
  2. Step 2: Convert to fraction form
    291,947.85/402,900 = 184,478.67/x
  3. Step 3: Cross multiply
    291,947.85x = 402,900 × 184,478.67
  4. Step 4: Simplify right side
    291,947.85x = 74,326,456,143
  5. Step 5: Solve for x
    x = 74,326,456,143/291,947.85
  6. Step 6: Final answer
    x = 254,588.13

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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.