Home / 306,655.19-423,184.18-170,686.22

Finding the Fourth Proportional to 306,655.19, 423,184.18 and 170,686.22

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Solution

The fourth proportional to 306,655.19, 423,184.18 and 170,686.22 is: 235,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,655.19 : 423,184.18 = 170,686.22 : x
  2. Step 2: Convert to fraction form
    306,655.19/423,184.18 = 170,686.22/x
  3. Step 3: Cross multiply
    306,655.19x = 423,184.18 × 170,686.22
  4. Step 4: Simplify right side
    306,655.19x = 72,231,709,532.68
  5. Step 5: Solve for x
    x = 72,231,709,532.68/306,655.19
  6. Step 6: Final answer
    x = 235,547.00

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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.