Home / 651,146.51-976,756.63-201,931.25

Finding the Fourth Proportional to 651,146.51, 976,756.63 and 201,931.25

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Solution

The fourth proportional to 651,146.51, 976,756.63 and 201,931.25 is: 302,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,146.51 : 976,756.63 = 201,931.25 : x
  2. Step 2: Convert to fraction form
    651,146.51/976,756.63 = 201,931.25/x
  3. Step 3: Cross multiply
    651,146.51x = 976,756.63 × 201,931.25
  4. Step 4: Simplify right side
    651,146.51x = 197,237,681,853.08
  5. Step 5: Solve for x
    x = 197,237,681,853.08/651,146.51
  6. Step 6: Final answer
    x = 302,908.30

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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.