Home / 346,945.04-478,784.96-193,988.72

Finding the Fourth Proportional to 346,945.04, 478,784.96 and 193,988.72

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Solution

The fourth proportional to 346,945.04, 478,784.96 and 193,988.72 is: 267,704.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,945.04 : 478,784.96 = 193,988.72 : x
  2. Step 2: Convert to fraction form
    346,945.04/478,784.96 = 193,988.72/x
  3. Step 3: Cross multiply
    346,945.04x = 478,784.96 × 193,988.72
  4. Step 4: Simplify right side
    346,945.04x = 92,878,881,545.65
  5. Step 5: Solve for x
    x = 92,878,881,545.65/346,945.04
  6. Step 6: Final answer
    x = 267,704.88

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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.