Home / 272,428.59-375,918.80-151,539.33

Finding the Fourth Proportional to 272,428.59, 375,918.80 and 151,539.33

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Solution

The fourth proportional to 272,428.59, 375,918.80 and 151,539.33 is: 209,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,428.59 : 375,918.80 = 151,539.33 : x
  2. Step 2: Convert to fraction form
    272,428.59/375,918.80 = 151,539.33/x
  3. Step 3: Cross multiply
    272,428.59x = 375,918.80 × 151,539.33
  4. Step 4: Simplify right side
    272,428.59x = 56,966,482,328.71
  5. Step 5: Solve for x
    x = 56,966,482,328.71/272,428.59
  6. Step 6: Final answer
    x = 209,106.11

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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.