Finding the Fourth Proportional to 264,402.74, 396,455.06 and 86,862.08
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Solution
The fourth proportional to 264,402.74, 396,455.06 and 86,862.08 is: 130,244.15
Step by Step Solution
- Step 1: Write the proportion equation
264,402.74 : 396,455.06 = 86,862.08 : x - Step 2: Convert to fraction form
264,402.74/396,455.06 = 86,862.08/x - Step 3: Cross multiply
264,402.74x = 396,455.06 × 86,862.08 - Step 4: Simplify right side
264,402.74x = 34,436,909,373.00 - Step 5: Solve for x
x = 34,436,909,373.00/264,402.74 - Step 6: Final answer
x = 130,244.15
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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.