Home / 387,152.81-534,286.04-264,901.62

Finding the Fourth Proportional to 387,152.81, 534,286.04 and 264,901.62

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Solution

The fourth proportional to 387,152.81, 534,286.04 and 264,901.62 is: 365,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,152.81 : 534,286.04 = 264,901.62 : x
  2. Step 2: Convert to fraction form
    387,152.81/534,286.04 = 264,901.62/x
  3. Step 3: Cross multiply
    387,152.81x = 534,286.04 × 264,901.62
  4. Step 4: Simplify right side
    387,152.81x = 141,533,236,214.88
  5. Step 5: Solve for x
    x = 141,533,236,214.88/387,152.81
  6. Step 6: Final answer
    x = 365,574.61

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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.