Finding the Fourth Proportional to 368,225.18, 551,885.49 and 190,630.94
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Solution
The fourth proportional to 368,225.18, 551,885.49 and 190,630.94 is: 285,712.26
Step by Step Solution
- Step 1: Write the proportion equation
368,225.18 : 551,885.49 = 190,630.94 : x - Step 2: Convert to fraction form
368,225.18/551,885.49 = 190,630.94/x - Step 3: Cross multiply
368,225.18x = 551,885.49 × 190,630.94 - Step 4: Simplify right side
368,225.18x = 105,206,449,731.06 - Step 5: Solve for x
x = 105,206,449,731.06/368,225.18 - Step 6: Final answer
x = 285,712.26
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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.