Home / 346,036.16-477,261.24-218,665.28

Finding the Fourth Proportional to 346,036.16, 477,261.24 and 218,665.28

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Solution

The fourth proportional to 346,036.16, 477,261.24 and 218,665.28 is: 301,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,036.16 : 477,261.24 = 218,665.28 : x
  2. Step 2: Convert to fraction form
    346,036.16/477,261.24 = 218,665.28/x
  3. Step 3: Cross multiply
    346,036.16x = 477,261.24 × 218,665.28
  4. Step 4: Simplify right side
    346,036.16x = 104,360,462,677.75
  5. Step 5: Solve for x
    x = 104,360,462,677.75/346,036.16
  6. Step 6: Final answer
    x = 301,588.32

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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.