Home / 257,271.04-385,700.48-122,267.34

Finding the Fourth Proportional to 257,271.04, 385,700.48 and 122,267.34

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Solution

The fourth proportional to 257,271.04, 385,700.48 and 122,267.34 is: 183,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,271.04 : 385,700.48 = 122,267.34 : x
  2. Step 2: Convert to fraction form
    257,271.04/385,700.48 = 122,267.34/x
  3. Step 3: Cross multiply
    257,271.04x = 385,700.48 × 122,267.34
  4. Step 4: Simplify right side
    257,271.04x = 47,158,572,261.24
  5. Step 5: Solve for x
    x = 47,158,572,261.24/257,271.04
  6. Step 6: Final answer
    x = 183,303.08

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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.