Home / 369,447.12-553,263.48-235,933.20

Finding the Fourth Proportional to 369,447.12, 553,263.48 and 235,933.20

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Solution

The fourth proportional to 369,447.12, 553,263.48 and 235,933.20 is: 353,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,447.12 : 553,263.48 = 235,933.20 : x
  2. Step 2: Convert to fraction form
    369,447.12/553,263.48 = 235,933.20/x
  3. Step 3: Cross multiply
    369,447.12x = 553,263.48 × 235,933.20
  4. Step 4: Simplify right side
    369,447.12x = 130,533,223,279.54
  5. Step 5: Solve for x
    x = 130,533,223,279.54/369,447.12
  6. Step 6: Final answer
    x = 353,320.45

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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.