Home / 380,526.04-525,097.03-210,756.52

Finding the Fourth Proportional to 380,526.04, 525,097.03 and 210,756.52

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Solution

The fourth proportional to 380,526.04, 525,097.03 and 210,756.52 is: 290,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,526.04 : 525,097.03 = 210,756.52 : x
  2. Step 2: Convert to fraction form
    380,526.04/525,097.03 = 210,756.52/x
  3. Step 3: Cross multiply
    380,526.04x = 525,097.03 × 210,756.52
  4. Step 4: Simplify right side
    380,526.04x = 110,667,619,025.87
  5. Step 5: Solve for x
    x = 110,667,619,025.87/380,526.04
  6. Step 6: Final answer
    x = 290,827.98

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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.