Home / 460,107.50-634,931.75-256,153.18

Finding the Fourth Proportional to 460,107.50, 634,931.75 and 256,153.18

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Solution

The fourth proportional to 460,107.50, 634,931.75 and 256,153.18 is: 353,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,107.50 : 634,931.75 = 256,153.18 : x
  2. Step 2: Convert to fraction form
    460,107.50/634,931.75 = 256,153.18/x
  3. Step 3: Cross multiply
    460,107.50x = 634,931.75 × 256,153.18
  4. Step 4: Simplify right side
    460,107.50x = 162,639,786,845.47
  5. Step 5: Solve for x
    x = 162,639,786,845.47/460,107.50
  6. Step 6: Final answer
    x = 353,482.15

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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.