Home / 356,934.51-492,585.08-213,666.84

Finding the Fourth Proportional to 356,934.51, 492,585.08 and 213,666.84

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Solution

The fourth proportional to 356,934.51, 492,585.08 and 213,666.84 is: 294,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,934.51 : 492,585.08 = 213,666.84 : x
  2. Step 2: Convert to fraction form
    356,934.51/492,585.08 = 213,666.84/x
  3. Step 3: Cross multiply
    356,934.51x = 492,585.08 × 213,666.84
  4. Step 4: Simplify right side
    356,934.51x = 105,249,096,406.41
  5. Step 5: Solve for x
    x = 105,249,096,406.41/356,934.51
  6. Step 6: Final answer
    x = 294,869.49

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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.