Finding the Fourth Proportional to 664,135.20, 996,095.88 and 190,712.88
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Solution
The fourth proportional to 664,135.20, 996,095.88 and 190,712.88 is: 286,038.62
Step by Step Solution
- Step 1: Write the proportion equation
664,135.20 : 996,095.88 = 190,712.88 : x - Step 2: Convert to fraction form
664,135.20/996,095.88 = 190,712.88/x - Step 3: Cross multiply
664,135.20x = 996,095.88 × 190,712.88 - Step 4: Simplify right side
664,135.20x = 189,968,314,030.93 - Step 5: Solve for x
x = 189,968,314,030.93/664,135.20 - Step 6: Final answer
x = 286,038.62
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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.