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Finding the Fourth Proportional to 364,281.30, 549,224.96 and 357,749.46

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Solution

The fourth proportional to 364,281.30, 549,224.96 and 357,749.46 is: 539,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,281.30 : 549,224.96 = 357,749.46 : x
  2. Step 2: Convert to fraction form
    364,281.30/549,224.96 = 357,749.46/x
  3. Step 3: Cross multiply
    364,281.30x = 549,224.96 × 357,749.46
  4. Step 4: Simplify right side
    364,281.30x = 196,484,931,069.77
  5. Step 5: Solve for x
    x = 196,484,931,069.77/364,281.30
  6. Step 6: Final answer
    x = 539,376.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.