Finding the Fourth Proportional to 199,565.10, 299,347.65 and 164,135.70
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Solution
The fourth proportional to 199,565.10, 299,347.65 and 164,135.70 is: 246,203.55
Step by Step Solution
- Step 1: Write the proportion equation
199,565.10 : 299,347.65 = 164,135.70 : x - Step 2: Convert to fraction form
199,565.10/299,347.65 = 164,135.70/x - Step 3: Cross multiply
199,565.10x = 299,347.65 × 164,135.70 - Step 4: Simplify right side
199,565.10x = 49,133,636,076.11 - Step 5: Solve for x
x = 49,133,636,076.11/199,565.10 - Step 6: Final answer
x = 246,203.55
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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.