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Finding the Fourth Proportional to 343,710.30, 514,528.65 and 302,238.30

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Solution

The fourth proportional to 343,710.30, 514,528.65 and 302,238.30 is: 452,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,710.30 : 514,528.65 = 302,238.30 : x
  2. Step 2: Convert to fraction form
    343,710.30/514,528.65 = 302,238.30/x
  3. Step 3: Cross multiply
    343,710.30x = 514,528.65 × 302,238.30
  4. Step 4: Simplify right side
    343,710.30x = 155,510,264,477.30
  5. Step 5: Solve for x
    x = 155,510,264,477.30/343,710.30
  6. Step 6: Final answer
    x = 452,445.75

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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.