Home / 287,727.79-397,066.05-166,941.01

Finding the Fourth Proportional to 287,727.79, 397,066.05 and 166,941.01

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Solution

The fourth proportional to 287,727.79, 397,066.05 and 166,941.01 is: 230,379.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,727.79 : 397,066.05 = 166,941.01 : x
  2. Step 2: Convert to fraction form
    287,727.79/397,066.05 = 166,941.01/x
  3. Step 3: Cross multiply
    287,727.79x = 397,066.05 × 166,941.01
  4. Step 4: Simplify right side
    287,727.79x = 66,286,607,423.71
  5. Step 5: Solve for x
    x = 66,286,607,423.71/287,727.79
  6. Step 6: Final answer
    x = 230,379.58

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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.