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Finding the Fourth Proportional to 346,645.04, 519,986.12 and 97,346.48

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Solution

The fourth proportional to 346,645.04, 519,986.12 and 97,346.48 is: 146,024.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,645.04 : 519,986.12 = 97,346.48 : x
  2. Step 2: Convert to fraction form
    346,645.04/519,986.12 = 97,346.48/x
  3. Step 3: Cross multiply
    346,645.04x = 519,986.12 × 97,346.48
  4. Step 4: Simplify right side
    346,645.04x = 50,618,818,430.86
  5. Step 5: Solve for x
    x = 50,618,818,430.86/346,645.04
  6. Step 6: Final answer
    x = 146,024.93

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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.