Home / 263,289.02-363,337.74-142,430.01

Finding the Fourth Proportional to 263,289.02, 363,337.74 and 142,430.01

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Solution

The fourth proportional to 263,289.02, 363,337.74 and 142,430.01 is: 196,552.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,289.02 : 363,337.74 = 142,430.01 : x
  2. Step 2: Convert to fraction form
    263,289.02/363,337.74 = 142,430.01/x
  3. Step 3: Cross multiply
    263,289.02x = 363,337.74 × 142,430.01
  4. Step 4: Simplify right side
    263,289.02x = 51,750,196,579.06
  5. Step 5: Solve for x
    x = 51,750,196,579.06/263,289.02
  6. Step 6: Final answer
    x = 196,552.81

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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.