Home / 346,430.72-478,069.34-193,467.29

Finding the Fourth Proportional to 346,430.72, 478,069.34 and 193,467.29

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Solution

The fourth proportional to 346,430.72, 478,069.34 and 193,467.29 is: 266,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,430.72 : 478,069.34 = 193,467.29 : x
  2. Step 2: Convert to fraction form
    346,430.72/478,069.34 = 193,467.29/x
  3. Step 3: Cross multiply
    346,430.72x = 478,069.34 × 193,467.29
  4. Step 4: Simplify right side
    346,430.72x = 92,490,779,641.89
  5. Step 5: Solve for x
    x = 92,490,779,641.89/346,430.72
  6. Step 6: Final answer
    x = 266,982.04

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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.