Home / 346,746.80-519,774.60-159,431.60

Finding the Fourth Proportional to 346,746.80, 519,774.60 and 159,431.60

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Solution

The fourth proportional to 346,746.80, 519,774.60 and 159,431.60 is: 238,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,746.80 : 519,774.60 = 159,431.60 : x
  2. Step 2: Convert to fraction form
    346,746.80/519,774.60 = 159,431.60/x
  3. Step 3: Cross multiply
    346,746.80x = 519,774.60 × 159,431.60
  4. Step 4: Simplify right side
    346,746.80x = 82,868,496,117.36
  5. Step 5: Solve for x
    x = 82,868,496,117.36/346,746.80
  6. Step 6: Final answer
    x = 238,988.50

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1.5x scale

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.