Home / 434,410.36-651,528.04-118,899.16

Finding the Fourth Proportional to 434,410.36, 651,528.04 and 118,899.16

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Solution

The fourth proportional to 434,410.36, 651,528.04 and 118,899.16 is: 178,324.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,410.36 : 651,528.04 = 118,899.16 : x
  2. Step 2: Convert to fraction form
    434,410.36/651,528.04 = 118,899.16/x
  3. Step 3: Cross multiply
    434,410.36x = 651,528.04 × 118,899.16
  4. Step 4: Simplify right side
    434,410.36x = 77,466,136,672.45
  5. Step 5: Solve for x
    x = 77,466,136,672.45/434,410.36
  6. Step 6: Final answer
    x = 178,324.79

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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.