Finding the Fourth Proportional to 368,158.71, 551,516.36 and 190,782.08
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Solution
The fourth proportional to 368,158.71, 551,516.36 and 190,782.08 is: 285,799.12
Step by Step Solution
- Step 1: Write the proportion equation
368,158.71 : 551,516.36 = 190,782.08 : x - Step 2: Convert to fraction form
368,158.71/551,516.36 = 190,782.08/x - Step 3: Cross multiply
368,158.71x = 551,516.36 × 190,782.08 - Step 4: Simplify right side
368,158.71x = 105,219,434,603.34 - Step 5: Solve for x
x = 105,219,434,603.34/368,158.71 - Step 6: Final answer
x = 285,799.12
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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.