Home / 472,127.85-651,536.70-257,267.82

Finding the Fourth Proportional to 472,127.85, 651,536.70 and 257,267.82

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Solution

The fourth proportional to 472,127.85, 651,536.70 and 257,267.82 is: 355,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,127.85 : 651,536.70 = 257,267.82 : x
  2. Step 2: Convert to fraction form
    472,127.85/651,536.70 = 257,267.82/x
  3. Step 3: Cross multiply
    472,127.85x = 651,536.70 × 257,267.82
  4. Step 4: Simplify right side
    472,127.85x = 167,619,426,458.99
  5. Step 5: Solve for x
    x = 167,619,426,458.99/472,127.85
  6. Step 6: Final answer
    x = 355,029.74

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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.