Home / 431,931.90-596,061.93-238,341.36

Finding the Fourth Proportional to 431,931.90, 596,061.93 and 238,341.36

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Solution

The fourth proportional to 431,931.90, 596,061.93 and 238,341.36 is: 328,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,931.90 : 596,061.93 = 238,341.36 : x
  2. Step 2: Convert to fraction form
    431,931.90/596,061.93 = 238,341.36/x
  3. Step 3: Cross multiply
    431,931.90x = 596,061.93 × 238,341.36
  4. Step 4: Simplify right side
    431,931.90x = 142,066,211,040.43
  5. Step 5: Solve for x
    x = 142,066,211,040.43/431,931.90
  6. Step 6: Final answer
    x = 328,908.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.