Finding the Fourth Proportional to 664,998.91, 997,710.86 and 238,246.63
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Solution
The fourth proportional to 664,998.91, 997,710.86 and 238,246.63 is: 357,446.07
Step by Step Solution
- Step 1: Write the proportion equation
664,998.91 : 997,710.86 = 238,246.63 : x - Step 2: Convert to fraction form
664,998.91/997,710.86 = 238,246.63/x - Step 3: Cross multiply
664,998.91x = 997,710.86 × 238,246.63 - Step 4: Simplify right side
664,998.91x = 237,701,250,109.40 - Step 5: Solve for x
x = 237,701,250,109.40/664,998.91 - Step 6: Final answer
x = 357,446.07
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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.