Home / 343,058.10-514,587.15-143,312.10

Finding the Fourth Proportional to 343,058.10, 514,587.15 and 143,312.10

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Solution

The fourth proportional to 343,058.10, 514,587.15 and 143,312.10 is: 214,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,058.10 : 514,587.15 = 143,312.10 : x
  2. Step 2: Convert to fraction form
    343,058.10/514,587.15 = 143,312.10/x
  3. Step 3: Cross multiply
    343,058.10x = 514,587.15 × 143,312.10
  4. Step 4: Simplify right side
    343,058.10x = 73,746,565,099.52
  5. Step 5: Solve for x
    x = 73,746,565,099.52/343,058.10
  6. Step 6: Final answer
    x = 214,968.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.