Home / 401,483.10-602,225.73-135,430.50

Finding the Fourth Proportional to 401,483.10, 602,225.73 and 135,430.50

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Solution

The fourth proportional to 401,483.10, 602,225.73 and 135,430.50 is: 203,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,483.10 : 602,225.73 = 135,430.50 : x
  2. Step 2: Convert to fraction form
    401,483.10/602,225.73 = 135,430.50/x
  3. Step 3: Cross multiply
    401,483.10x = 602,225.73 × 135,430.50
  4. Step 4: Simplify right side
    401,483.10x = 81,559,731,726.77
  5. Step 5: Solve for x
    x = 81,559,731,726.77/401,483.10
  6. Step 6: Final answer
    x = 203,146.11

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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.