Home / 405,130.73-607,324.57-155,624.81

Finding the Fourth Proportional to 405,130.73, 607,324.57 and 155,624.81

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Solution

The fourth proportional to 405,130.73, 607,324.57 and 155,624.81 is: 233,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,130.73 : 607,324.57 = 155,624.81 : x
  2. Step 2: Convert to fraction form
    405,130.73/607,324.57 = 155,624.81/x
  3. Step 3: Cross multiply
    405,130.73x = 607,324.57 × 155,624.81
  4. Step 4: Simplify right side
    405,130.73x = 94,514,767,388.90
  5. Step 5: Solve for x
    x = 94,514,767,388.90/405,130.73
  6. Step 6: Final answer
    x = 233,294.49

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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.