Finding the Fourth Proportional to 368,068.91, 551,709.69 and 168,089.63
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Solution
The fourth proportional to 368,068.91, 551,709.69 and 168,089.63 is: 251,954.66
Step by Step Solution
- Step 1: Write the proportion equation
368,068.91 : 551,709.69 = 168,089.63 : x - Step 2: Convert to fraction form
368,068.91/551,709.69 = 168,089.63/x - Step 3: Cross multiply
368,068.91x = 551,709.69 × 168,089.63 - Step 4: Simplify right side
368,068.91x = 92,736,674,900.97 - Step 5: Solve for x
x = 92,736,674,900.97/368,068.91 - Step 6: Final answer
x = 251,954.66
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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.