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Finding the Fourth Proportional to 134,412, 201,618 and 46,860

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Solution

The fourth proportional to 134,412, 201,618 and 46,860 is: 70,290

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,412 : 201,618 = 46,860 : x
  2. Step 2: Convert to fraction form
    134,412/201,618 = 46,860/x
  3. Step 3: Cross multiply
    134,412x = 201,618 × 46,860
  4. Step 4: Simplify right side
    134,412x = 9,447,819,480
  5. Step 5: Solve for x
    x = 9,447,819,480/134,412
  6. Step 6: Final answer
    x = 70,290

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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.