Home / 472,297.06-651,765.90-257,437.18

Finding the Fourth Proportional to 472,297.06, 651,765.90 and 257,437.18

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Solution

The fourth proportional to 472,297.06, 651,765.90 and 257,437.18 is: 355,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,297.06 : 651,765.90 = 257,437.18 : x
  2. Step 2: Convert to fraction form
    472,297.06/651,765.90 = 257,437.18/x
  3. Step 3: Cross multiply
    472,297.06x = 651,765.90 × 257,437.18
  4. Step 4: Simplify right side
    472,297.06x = 167,788,775,316.16
  5. Step 5: Solve for x
    x = 167,788,775,316.16/472,297.06
  6. Step 6: Final answer
    x = 355,261.10

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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.