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Finding the Fourth Proportional to 249,367.68, 374,051.52 and 193,322.16

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Solution

The fourth proportional to 249,367.68, 374,051.52 and 193,322.16 is: 289,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,367.68 : 374,051.52 = 193,322.16 : x
  2. Step 2: Convert to fraction form
    249,367.68/374,051.52 = 193,322.16/x
  3. Step 3: Cross multiply
    249,367.68x = 374,051.52 × 193,322.16
  4. Step 4: Simplify right side
    249,367.68x = 72,312,447,797.68
  5. Step 5: Solve for x
    x = 72,312,447,797.68/249,367.68
  6. Step 6: Final answer
    x = 289,983.24

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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.