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Finding the Fourth Proportional to 249,303, 343,863.55 and 168,695.04

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Solution

The fourth proportional to 249,303, 343,863.55 and 168,695.04 is: 232,681.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,303 : 343,863.55 = 168,695.04 : x
  2. Step 2: Convert to fraction form
    249,303/343,863.55 = 168,695.04/x
  3. Step 3: Cross multiply
    249,303x = 343,863.55 × 168,695.04
  4. Step 4: Simplify right side
    249,303x = 58,008,075,321.79
  5. Step 5: Solve for x
    x = 58,008,075,321.79/249,303
  6. Step 6: Final answer
    x = 232,681.02

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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.