Home / 249,619.60-374,429.40-155,141.20

Finding the Fourth Proportional to 249,619.60, 374,429.40 and 155,141.20

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Solution

The fourth proportional to 249,619.60, 374,429.40 and 155,141.20 is: 232,711.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,619.60 : 374,429.40 = 155,141.20 : x
  2. Step 2: Convert to fraction form
    249,619.60/374,429.40 = 155,141.20/x
  3. Step 3: Cross multiply
    249,619.60x = 374,429.40 × 155,141.20
  4. Step 4: Simplify right side
    249,619.60x = 58,089,426,431.28
  5. Step 5: Solve for x
    x = 58,089,426,431.28/249,619.60
  6. Step 6: Final answer
    x = 232,711.80

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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.