Home / 268,430.15-370,411.57-158,031.26

Finding the Fourth Proportional to 268,430.15, 370,411.57 and 158,031.26

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Solution

The fourth proportional to 268,430.15, 370,411.57 and 158,031.26 is: 218,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,430.15 : 370,411.57 = 158,031.26 : x
  2. Step 2: Convert to fraction form
    268,430.15/370,411.57 = 158,031.26/x
  3. Step 3: Cross multiply
    268,430.15x = 370,411.57 × 158,031.26
  4. Step 4: Simplify right side
    268,430.15x = 58,536,607,656.63
  5. Step 5: Solve for x
    x = 58,536,607,656.63/268,430.15
  6. Step 6: Final answer
    x = 218,070.17

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1.5x scale

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.