Home / 369,580.22-510,038.06-208,431.93

Finding the Fourth Proportional to 369,580.22, 510,038.06 and 208,431.93

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Solution

The fourth proportional to 369,580.22, 510,038.06 and 208,431.93 is: 287,645.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,580.22 : 510,038.06 = 208,431.93 : x
  2. Step 2: Convert to fraction form
    369,580.22/510,038.06 = 208,431.93/x
  3. Step 3: Cross multiply
    369,580.22x = 510,038.06 × 208,431.93
  4. Step 4: Simplify right side
    369,580.22x = 106,308,217,219.26
  5. Step 5: Solve for x
    x = 106,308,217,219.26/369,580.22
  6. Step 6: Final answer
    x = 287,645.85

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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.