Home / 357,830.30-493,852.47-230,875.22

Finding the Fourth Proportional to 357,830.30, 493,852.47 and 230,875.22

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Solution

The fourth proportional to 357,830.30, 493,852.47 and 230,875.22 is: 318,637.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,830.30 : 493,852.47 = 230,875.22 : x
  2. Step 2: Convert to fraction form
    357,830.30/493,852.47 = 230,875.22/x
  3. Step 3: Cross multiply
    357,830.30x = 493,852.47 × 230,875.22
  4. Step 4: Simplify right side
    357,830.30x = 114,018,297,658.79
  5. Step 5: Solve for x
    x = 114,018,297,658.79/357,830.30
  6. Step 6: Final answer
    x = 318,637.91

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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.