Home / 346,248.68-519,600-121,603.28

Finding the Fourth Proportional to 346,248.68, 519,600 and 121,603.28

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Solution

The fourth proportional to 346,248.68, 519,600 and 121,603.28 is: 182,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,248.68 : 519,600 = 121,603.28 : x
  2. Step 2: Convert to fraction form
    346,248.68/519,600 = 121,603.28/x
  3. Step 3: Cross multiply
    346,248.68x = 519,600 × 121,603.28
  4. Step 4: Simplify right side
    346,248.68x = 63,185,064,288
  5. Step 5: Solve for x
    x = 63,185,064,288/346,248.68
  6. Step 6: Final answer
    x = 182,484.64

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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.