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Finding the Fourth Proportional to 370,069.34, 510,697.23 and 200,303.47

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Solution

The fourth proportional to 370,069.34, 510,697.23 and 200,303.47 is: 276,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,069.34 : 510,697.23 = 200,303.47 : x
  2. Step 2: Convert to fraction form
    370,069.34/510,697.23 = 200,303.47/x
  3. Step 3: Cross multiply
    370,069.34x = 510,697.23 × 200,303.47
  4. Step 4: Simplify right side
    370,069.34x = 102,294,426,011.65
  5. Step 5: Solve for x
    x = 102,294,426,011.65/370,069.34
  6. Step 6: Final answer
    x = 276,419.62

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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.