Home / 380,746.04-525,429.53-210,980.16

Finding the Fourth Proportional to 380,746.04, 525,429.53 and 210,980.16

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Solution

The fourth proportional to 380,746.04, 525,429.53 and 210,980.16 is: 291,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,746.04 : 525,429.53 = 210,980.16 : x
  2. Step 2: Convert to fraction form
    380,746.04/525,429.53 = 210,980.16/x
  3. Step 3: Cross multiply
    380,746.04x = 525,429.53 × 210,980.16
  4. Step 4: Simplify right side
    380,746.04x = 110,855,205,253.22
  5. Step 5: Solve for x
    x = 110,855,205,253.22/380,746.04
  6. Step 6: Final answer
    x = 291,152.62

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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.