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Finding the Fourth Proportional to 651,657.60, 977,486.40 and 202,374.90

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Solution

The fourth proportional to 651,657.60, 977,486.40 and 202,374.90 is: 303,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,657.60 : 977,486.40 = 202,374.90 : x
  2. Step 2: Convert to fraction form
    651,657.60/977,486.40 = 202,374.90/x
  3. Step 3: Cross multiply
    651,657.60x = 977,486.40 × 202,374.90
  4. Step 4: Simplify right side
    651,657.60x = 197,818,712,451.36
  5. Step 5: Solve for x
    x = 197,818,712,451.36/651,657.60
  6. Step 6: Final answer
    x = 303,562.35

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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.