Home / 355,852.77-533,779.14-145,441.50

Finding the Fourth Proportional to 355,852.77, 533,779.14 and 145,441.50

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Solution

The fourth proportional to 355,852.77, 533,779.14 and 145,441.50 is: 218,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,852.77 : 533,779.14 = 145,441.50 : x
  2. Step 2: Convert to fraction form
    355,852.77/533,779.14 = 145,441.50/x
  3. Step 3: Cross multiply
    355,852.77x = 533,779.14 × 145,441.50
  4. Step 4: Simplify right side
    355,852.77x = 77,633,638,790.31
  5. Step 5: Solve for x
    x = 77,633,638,790.31/355,852.77
  6. Step 6: Final answer
    x = 218,162.24

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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.