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Finding the Fourth Proportional to 630,018.62, 945,026.13 and 156,703.98

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Solution

The fourth proportional to 630,018.62, 945,026.13 and 156,703.98 is: 235,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,018.62 : 945,026.13 = 156,703.98 : x
  2. Step 2: Convert to fraction form
    630,018.62/945,026.13 = 156,703.98/x
  3. Step 3: Cross multiply
    630,018.62x = 945,026.13 × 156,703.98
  4. Step 4: Simplify right side
    630,018.62x = 148,089,356,362.64
  5. Step 5: Solve for x
    x = 148,089,356,362.64/630,018.62
  6. Step 6: Final answer
    x = 235,055.52

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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.