Finding the Fourth Proportional to 210,454.08, 315,681.12 and 52,682.54
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Solution
The fourth proportional to 210,454.08, 315,681.12 and 52,682.54 is: 79,023.80
Step by Step Solution
- Step 1: Write the proportion equation
210,454.08 : 315,681.12 = 52,682.54 : x - Step 2: Convert to fraction form
210,454.08/315,681.12 = 52,682.54/x - Step 3: Cross multiply
210,454.08x = 315,681.12 × 52,682.54 - Step 4: Simplify right side
210,454.08x = 16,630,881,653.24 - Step 5: Solve for x
x = 16,630,881,653.24/210,454.08 - Step 6: Final answer
x = 79,023.80
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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.