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Finding the Fourth Proportional to 492,565.04, 679,738.74 and 266,210

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Solution

The fourth proportional to 492,565.04, 679,738.74 and 266,210 is: 367,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,565.04 : 679,738.74 = 266,210 : x
  2. Step 2: Convert to fraction form
    492,565.04/679,738.74 = 266,210/x
  3. Step 3: Cross multiply
    492,565.04x = 679,738.74 × 266,210
  4. Step 4: Simplify right side
    492,565.04x = 180,953,249,975.40
  5. Step 5: Solve for x
    x = 180,953,249,975.40/492,565.04
  6. Step 6: Final answer
    x = 367,369.25

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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.