Home / 282,876.04-390,368.40-162,056.44

Finding the Fourth Proportional to 282,876.04, 390,368.40 and 162,056.44

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Solution

The fourth proportional to 282,876.04, 390,368.40 and 162,056.44 is: 223,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,876.04 : 390,368.40 = 162,056.44 : x
  2. Step 2: Convert to fraction form
    282,876.04/390,368.40 = 162,056.44/x
  3. Step 3: Cross multiply
    282,876.04x = 390,368.40 × 162,056.44
  4. Step 4: Simplify right side
    282,876.04x = 63,261,713,192.50
  5. Step 5: Solve for x
    x = 63,261,713,192.50/282,876.04
  6. Step 6: Final answer
    x = 223,637.58

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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.