Home / 690,148-1,035,388.14-216,833.19

Finding the Fourth Proportional to 690,148, 1,035,388.14 and 216,833.19

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Solution

The fourth proportional to 690,148, 1,035,388.14 and 216,833.19 is: 325,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,148 : 1,035,388.14 = 216,833.19 : x
  2. Step 2: Convert to fraction form
    690,148/1,035,388.14 = 216,833.19/x
  3. Step 3: Cross multiply
    690,148x = 1,035,388.14 × 216,833.19
  4. Step 4: Simplify right side
    690,148x = 224,506,513,284.37
  5. Step 5: Solve for x
    x = 224,506,513,284.37/690,148
  6. Step 6: Final answer
    x = 325,301.98

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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.