Home / 742,581-1,113,893.37-181,615.50

Finding the Fourth Proportional to 742,581, 1,113,893.37 and 181,615.50

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Solution

The fourth proportional to 742,581, 1,113,893.37 and 181,615.50 is: 272,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,581 : 1,113,893.37 = 181,615.50 : x
  2. Step 2: Convert to fraction form
    742,581/1,113,893.37 = 181,615.50/x
  3. Step 3: Cross multiply
    742,581x = 1,113,893.37 × 181,615.50
  4. Step 4: Simplify right side
    742,581x = 202,300,301,339.24
  5. Step 5: Solve for x
    x = 202,300,301,339.24/742,581
  6. Step 6: Final answer
    x = 272,428.60

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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.