Home / 211,038.50-316,557.76-63,294.50

Finding the Fourth Proportional to 211,038.50, 316,557.76 and 63,294.50

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Solution

The fourth proportional to 211,038.50, 316,557.76 and 63,294.50 is: 94,941.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,038.50 : 316,557.76 = 63,294.50 : x
  2. Step 2: Convert to fraction form
    211,038.50/316,557.76 = 63,294.50/x
  3. Step 3: Cross multiply
    211,038.50x = 316,557.76 × 63,294.50
  4. Step 4: Simplify right side
    211,038.50x = 20,036,365,140.32
  5. Step 5: Solve for x
    x = 20,036,365,140.32/211,038.50
  6. Step 6: Final answer
    x = 94,941.75

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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.