Home / 286,349.23-429,538.70-73,119.16

Finding the Fourth Proportional to 286,349.23, 429,538.70 and 73,119.16

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Solution

The fourth proportional to 286,349.23, 429,538.70 and 73,119.16 is: 109,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,349.23 : 429,538.70 = 73,119.16 : x
  2. Step 2: Convert to fraction form
    286,349.23/429,538.70 = 73,119.16/x
  3. Step 3: Cross multiply
    286,349.23x = 429,538.70 × 73,119.16
  4. Step 4: Simplify right side
    286,349.23x = 31,407,508,931.49
  5. Step 5: Solve for x
    x = 31,407,508,931.49/286,349.23
  6. Step 6: Final answer
    x = 109,682.53

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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.