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Finding the Fourth Proportional to 235,075, 324,541.94 and 143,228.94

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Solution

The fourth proportional to 235,075, 324,541.94 and 143,228.94 is: 197,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,075 : 324,541.94 = 143,228.94 : x
  2. Step 2: Convert to fraction form
    235,075/324,541.94 = 143,228.94/x
  3. Step 3: Cross multiply
    235,075x = 324,541.94 × 143,228.94
  4. Step 4: Simplify right side
    235,075x = 46,483,798,051.74
  5. Step 5: Solve for x
    x = 46,483,798,051.74/235,075
  6. Step 6: Final answer
    x = 197,740.29

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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.