Home / 249,860.40-344,806.28-135,139.16

Finding the Fourth Proportional to 249,860.40, 344,806.28 and 135,139.16

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Solution

The fourth proportional to 249,860.40, 344,806.28 and 135,139.16 is: 186,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,860.40 : 344,806.28 = 135,139.16 : x
  2. Step 2: Convert to fraction form
    249,860.40/344,806.28 = 135,139.16/x
  3. Step 3: Cross multiply
    249,860.40x = 344,806.28 × 135,139.16
  4. Step 4: Simplify right side
    249,860.40x = 46,596,828,642.20
  5. Step 5: Solve for x
    x = 46,596,828,642.20/249,860.40
  6. Step 6: Final answer
    x = 186,491.45

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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.