Home / 369,547.20-554,466.60-144,869.40

Finding the Fourth Proportional to 369,547.20, 554,466.60 and 144,869.40

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Solution

The fourth proportional to 369,547.20, 554,466.60 and 144,869.40 is: 217,361.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,547.20 : 554,466.60 = 144,869.40 : x
  2. Step 2: Convert to fraction form
    369,547.20/554,466.60 = 144,869.40/x
  3. Step 3: Cross multiply
    369,547.20x = 554,466.60 × 144,869.40
  4. Step 4: Simplify right side
    369,547.20x = 80,325,243,662.04
  5. Step 5: Solve for x
    x = 80,325,243,662.04/369,547.20
  6. Step 6: Final answer
    x = 217,361.26

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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.