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Finding the Fourth Proportional to 290,550.03, 435,866.63 and 140,667.27

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Solution

The fourth proportional to 290,550.03, 435,866.63 and 140,667.27 is: 211,021.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,550.03 : 435,866.63 = 140,667.27 : x
  2. Step 2: Convert to fraction form
    290,550.03/435,866.63 = 140,667.27/x
  3. Step 3: Cross multiply
    290,550.03x = 435,866.63 × 140,667.27
  4. Step 4: Simplify right side
    290,550.03x = 61,312,168,222.86
  5. Step 5: Solve for x
    x = 61,312,168,222.86/290,550.03
  6. Step 6: Final answer
    x = 211,021.04

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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.