Home / 371,631.15-512,922.91-242,345.18

Finding the Fourth Proportional to 371,631.15, 512,922.91 and 242,345.18

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Solution

The fourth proportional to 371,631.15, 512,922.91 and 242,345.18 is: 334,483.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,631.15 : 512,922.91 = 242,345.18 : x
  2. Step 2: Convert to fraction form
    371,631.15/512,922.91 = 242,345.18/x
  3. Step 3: Cross multiply
    371,631.15x = 512,922.91 × 242,345.18
  4. Step 4: Simplify right side
    371,631.15x = 124,304,391,779.60
  5. Step 5: Solve for x
    x = 124,304,391,779.60/371,631.15
  6. Step 6: Final answer
    x = 334,483.24

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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.