Home / 287,603.03-430,632.98-160,882.40

Finding the Fourth Proportional to 287,603.03, 430,632.98 and 160,882.40

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Solution

The fourth proportional to 287,603.03, 430,632.98 and 160,882.40 is: 240,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,603.03 : 430,632.98 = 160,882.40 : x
  2. Step 2: Convert to fraction form
    287,603.03/430,632.98 = 160,882.40/x
  3. Step 3: Cross multiply
    287,603.03x = 430,632.98 × 160,882.40
  4. Step 4: Simplify right side
    287,603.03x = 69,281,268,669.51
  5. Step 5: Solve for x
    x = 69,281,268,669.51/287,603.03
  6. Step 6: Final answer
    x = 240,892.00

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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.