Home / 307,931.40-461,666.70-167,848.20

Finding the Fourth Proportional to 307,931.40, 461,666.70 and 167,848.20

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Solution

The fourth proportional to 307,931.40, 461,666.70 and 167,848.20 is: 251,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,931.40 : 461,666.70 = 167,848.20 : x
  2. Step 2: Convert to fraction form
    307,931.40/461,666.70 = 167,848.20/x
  3. Step 3: Cross multiply
    307,931.40x = 461,666.70 × 167,848.20
  4. Step 4: Simplify right side
    307,931.40x = 77,489,924,594.94
  5. Step 5: Solve for x
    x = 77,489,924,594.94/307,931.40
  6. Step 6: Final answer
    x = 251,646.71

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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.