Home / 346,616.04-478,362.06-210,618.60

Finding the Fourth Proportional to 346,616.04, 478,362.06 and 210,618.60

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Solution

The fourth proportional to 346,616.04, 478,362.06 and 210,618.60 is: 290,673.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,616.04 : 478,362.06 = 210,618.60 : x
  2. Step 2: Convert to fraction form
    346,616.04/478,362.06 = 210,618.60/x
  3. Step 3: Cross multiply
    346,616.04x = 478,362.06 × 210,618.60
  4. Step 4: Simplify right side
    346,616.04x = 100,751,947,370.32
  5. Step 5: Solve for x
    x = 100,751,947,370.32/346,616.04
  6. Step 6: Final answer
    x = 290,673.07

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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.