Home / 435,746.40-653,133.60-169,418.40

Finding the Fourth Proportional to 435,746.40, 653,133.60 and 169,418.40

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Solution

The fourth proportional to 435,746.40, 653,133.60 and 169,418.40 is: 253,938.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,746.40 : 653,133.60 = 169,418.40 : x
  2. Step 2: Convert to fraction form
    435,746.40/653,133.60 = 169,418.40/x
  3. Step 3: Cross multiply
    435,746.40x = 653,133.60 × 169,418.40
  4. Step 4: Simplify right side
    435,746.40x = 110,652,849,498.24
  5. Step 5: Solve for x
    x = 110,652,849,498.24/435,746.40
  6. Step 6: Final answer
    x = 253,938.64

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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.