Home / 346,071.42-519,055.29-287,284.86

Finding the Fourth Proportional to 346,071.42, 519,055.29 and 287,284.86

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Solution

The fourth proportional to 346,071.42, 519,055.29 and 287,284.86 is: 430,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,071.42 : 519,055.29 = 287,284.86 : x
  2. Step 2: Convert to fraction form
    346,071.42/519,055.29 = 287,284.86/x
  3. Step 3: Cross multiply
    346,071.42x = 519,055.29 × 287,284.86
  4. Step 4: Simplify right side
    346,071.42x = 149,116,726,319.91
  5. Step 5: Solve for x
    x = 149,116,726,319.91/346,071.42
  6. Step 6: Final answer
    x = 430,884.26

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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.