Home / 346,533.85-478,037.59-219,283.26

Finding the Fourth Proportional to 346,533.85, 478,037.59 and 219,283.26

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Solution

The fourth proportional to 346,533.85, 478,037.59 and 219,283.26 is: 302,497.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,533.85 : 478,037.59 = 219,283.26 : x
  2. Step 2: Convert to fraction form
    346,533.85/478,037.59 = 219,283.26/x
  3. Step 3: Cross multiply
    346,533.85x = 478,037.59 × 219,283.26
  4. Step 4: Simplify right side
    346,533.85x = 104,825,641,137.74
  5. Step 5: Solve for x
    x = 104,825,641,137.74/346,533.85
  6. Step 6: Final answer
    x = 302,497.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.