Home / 328,457.85-492,533.64-170,643.93

Finding the Fourth Proportional to 328,457.85, 492,533.64 and 170,643.93

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Solution

The fourth proportional to 328,457.85, 492,533.64 and 170,643.93 is: 255,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,457.85 : 492,533.64 = 170,643.93 : x
  2. Step 2: Convert to fraction form
    328,457.85/492,533.64 = 170,643.93/x
  3. Step 3: Cross multiply
    328,457.85x = 492,533.64 × 170,643.93
  4. Step 4: Simplify right side
    328,457.85x = 84,047,875,986.81
  5. Step 5: Solve for x
    x = 84,047,875,986.81/328,457.85
  6. Step 6: Final answer
    x = 255,886.34

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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.