Home / 249,386.42-343,428.40-216,665.71

Finding the Fourth Proportional to 249,386.42, 343,428.40 and 216,665.71

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Solution

The fourth proportional to 249,386.42, 343,428.40 and 216,665.71 is: 298,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,386.42 : 343,428.40 = 216,665.71 : x
  2. Step 2: Convert to fraction form
    249,386.42/343,428.40 = 216,665.71/x
  3. Step 3: Cross multiply
    249,386.42x = 343,428.40 × 216,665.71
  4. Step 4: Simplify right side
    249,386.42x = 74,409,156,719.93
  5. Step 5: Solve for x
    x = 74,409,156,719.93/249,386.42
  6. Step 6: Final answer
    x = 298,368.92

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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.