Home / 366,030.24-549,139.98-214,355.40

Finding the Fourth Proportional to 366,030.24, 549,139.98 and 214,355.40

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Solution

The fourth proportional to 366,030.24, 549,139.98 and 214,355.40 is: 321,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,030.24 : 549,139.98 = 214,355.40 : x
  2. Step 2: Convert to fraction form
    366,030.24/549,139.98 = 214,355.40/x
  3. Step 3: Cross multiply
    366,030.24x = 549,139.98 × 214,355.40
  4. Step 4: Simplify right side
    366,030.24x = 117,711,120,068.89
  5. Step 5: Solve for x
    x = 117,711,120,068.89/366,030.24
  6. Step 6: Final answer
    x = 321,588.51

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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.