Finding the Fourth Proportional to 368,722.63, 553,094.75 and 144,073.99
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Solution
The fourth proportional to 368,722.63, 553,094.75 and 144,073.99 is: 216,115.21
Step by Step Solution
- Step 1: Write the proportion equation
368,722.63 : 553,094.75 = 144,073.99 : x - Step 2: Convert to fraction form
368,722.63/553,094.75 = 144,073.99/x - Step 3: Cross multiply
368,722.63x = 553,094.75 × 144,073.99 - Step 4: Simplify right side
368,722.63x = 79,686,567,480.55 - Step 5: Solve for x
x = 79,686,567,480.55/368,722.63 - Step 6: Final answer
x = 216,115.21
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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.