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Finding the Fourth Proportional to 266,030.88, 366,616.08 and 190,448.16

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Solution

The fourth proportional to 266,030.88, 366,616.08 and 190,448.16 is: 262,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,030.88 : 366,616.08 = 190,448.16 : x
  2. Step 2: Convert to fraction form
    266,030.88/366,616.08 = 190,448.16/x
  3. Step 3: Cross multiply
    266,030.88x = 366,616.08 × 190,448.16
  4. Step 4: Simplify right side
    266,030.88x = 69,821,357,862.41
  5. Step 5: Solve for x
    x = 69,821,357,862.41/266,030.88
  6. Step 6: Final answer
    x = 262,455.84

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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.