Home / 291,928.13-437,892.20-70,312.13

Finding the Fourth Proportional to 291,928.13, 437,892.20 and 70,312.13

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Solution

The fourth proportional to 291,928.13, 437,892.20 and 70,312.13 is: 105,468.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,928.13 : 437,892.20 = 70,312.13 : x
  2. Step 2: Convert to fraction form
    291,928.13/437,892.20 = 70,312.13/x
  3. Step 3: Cross multiply
    291,928.13x = 437,892.20 × 70,312.13
  4. Step 4: Simplify right side
    291,928.13x = 30,789,130,751.36
  5. Step 5: Solve for x
    x = 30,789,130,751.36/291,928.13
  6. Step 6: Final answer
    x = 105,468.19

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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.