Home / 346,534.85-478,038.97-219,284.26

Finding the Fourth Proportional to 346,534.85, 478,038.97 and 219,284.26

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Solution

The fourth proportional to 346,534.85, 478,038.97 and 219,284.26 is: 302,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,534.85 : 478,038.97 = 219,284.26 : x
  2. Step 2: Convert to fraction form
    346,534.85/478,038.97 = 219,284.26/x
  3. Step 3: Cross multiply
    346,534.85x = 478,038.97 × 219,284.26
  4. Step 4: Simplify right side
    346,534.85x = 104,826,421,787.61
  5. Step 5: Solve for x
    x = 104,826,421,787.61/346,534.85
  6. Step 6: Final answer
    x = 302,498.93

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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.