Home / 346,959.48-478,822.14-210,971.28

Finding the Fourth Proportional to 346,959.48, 478,822.14 and 210,971.28

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Solution

The fourth proportional to 346,959.48, 478,822.14 and 210,971.28 is: 291,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,959.48 : 478,822.14 = 210,971.28 : x
  2. Step 2: Convert to fraction form
    346,959.48/478,822.14 = 210,971.28/x
  3. Step 3: Cross multiply
    346,959.48x = 478,822.14 × 210,971.28
  4. Step 4: Simplify right side
    346,959.48x = 101,017,719,768.14
  5. Step 5: Solve for x
    x = 101,017,719,768.14/346,959.48
  6. Step 6: Final answer
    x = 291,151.35

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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.