Home / 345,848.02-515,294.63-326,510.58

Finding the Fourth Proportional to 345,848.02, 515,294.63 and 326,510.58

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Solution

The fourth proportional to 345,848.02, 515,294.63 and 326,510.58 is: 486,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,848.02 : 515,294.63 = 326,510.58 : x
  2. Step 2: Convert to fraction form
    345,848.02/515,294.63 = 326,510.58/x
  3. Step 3: Cross multiply
    345,848.02x = 515,294.63 × 326,510.58
  4. Step 4: Simplify right side
    345,848.02x = 168,249,148,512.19
  5. Step 5: Solve for x
    x = 168,249,148,512.19/345,848.02
  6. Step 6: Final answer
    x = 486,482.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.