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Finding the Fourth Proportional to 249,619.80, 350,089.80 and 249,619.80

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Solution

The fourth proportional to 249,619.80, 350,089.80 and 249,619.80 is: 350,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,619.80 : 350,089.80 = 249,619.80 : x
  2. Step 2: Convert to fraction form
    249,619.80/350,089.80 = 249,619.80/x
  3. Step 3: Cross multiply
    249,619.80x = 350,089.80 × 249,619.80
  4. Step 4: Simplify right side
    249,619.80x = 87,389,345,858.04
  5. Step 5: Solve for x
    x = 87,389,345,858.04/249,619.80
  6. Step 6: Final answer
    x = 350,089.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.