Home / 460,085.21-634,905.22-256,136.15

Finding the Fourth Proportional to 460,085.21, 634,905.22 and 256,136.15

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Solution

The fourth proportional to 460,085.21, 634,905.22 and 256,136.15 is: 353,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,085.21 : 634,905.22 = 256,136.15 : x
  2. Step 2: Convert to fraction form
    460,085.21/634,905.22 = 256,136.15/x
  3. Step 3: Cross multiply
    460,085.21x = 634,905.22 × 256,136.15
  4. Step 4: Simplify right side
    460,085.21x = 162,622,174,210.50
  5. Step 5: Solve for x
    x = 162,622,174,210.50/460,085.21
  6. Step 6: Final answer
    x = 353,460.99

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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.