Home / 374,637.40-561,956.10-248,666.20

Finding the Fourth Proportional to 374,637.40, 561,956.10 and 248,666.20

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Solution

The fourth proportional to 374,637.40, 561,956.10 and 248,666.20 is: 372,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,637.40 : 561,956.10 = 248,666.20 : x
  2. Step 2: Convert to fraction form
    374,637.40/561,956.10 = 248,666.20/x
  3. Step 3: Cross multiply
    374,637.40x = 561,956.10 × 248,666.20
  4. Step 4: Simplify right side
    374,637.40x = 139,739,487,953.82
  5. Step 5: Solve for x
    x = 139,739,487,953.82/374,637.40
  6. Step 6: Final answer
    x = 372,999.30

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1.5x scale

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.