Home / 364,739.99-545,988.89-310,931.57

Finding the Fourth Proportional to 364,739.99, 545,988.89 and 310,931.57

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Solution

The fourth proportional to 364,739.99, 545,988.89 and 310,931.57 is: 465,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,739.99 : 545,988.89 = 310,931.57 : x
  2. Step 2: Convert to fraction form
    364,739.99/545,988.89 = 310,931.57/x
  3. Step 3: Cross multiply
    364,739.99x = 545,988.89 × 310,931.57
  4. Step 4: Simplify right side
    364,739.99x = 169,765,178,485.66
  5. Step 5: Solve for x
    x = 169,765,178,485.66/364,739.99
  6. Step 6: Final answer
    x = 465,441.64

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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.