Home / 401,746.88-602,199.82-135,415.34

Finding the Fourth Proportional to 401,746.88, 602,199.82 and 135,415.34

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Solution

The fourth proportional to 401,746.88, 602,199.82 and 135,415.34 is: 202,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,746.88 : 602,199.82 = 135,415.34 : x
  2. Step 2: Convert to fraction form
    401,746.88/602,199.82 = 135,415.34/x
  3. Step 3: Cross multiply
    401,746.88x = 602,199.82 × 135,415.34
  4. Step 4: Simplify right side
    401,746.88x = 81,547,093,373.24
  5. Step 5: Solve for x
    x = 81,547,093,373.24/401,746.88
  6. Step 6: Final answer
    x = 202,981.27

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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.