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Finding the Fourth Proportional to 273,384.65, 377,281.74 and 152,536.49

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Solution

The fourth proportional to 273,384.65, 377,281.74 and 152,536.49 is: 210,506.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,384.65 : 377,281.74 = 152,536.49 : x
  2. Step 2: Convert to fraction form
    273,384.65/377,281.74 = 152,536.49/x
  3. Step 3: Cross multiply
    273,384.65x = 377,281.74 × 152,536.49
  4. Step 4: Simplify right side
    273,384.65x = 57,549,232,360.69
  5. Step 5: Solve for x
    x = 57,549,232,360.69/273,384.65
  6. Step 6: Final answer
    x = 210,506.45

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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.