Finding the Fourth Proportional to 319,043.24, 440,289.08 and 175,812.51
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Solution
The fourth proportional to 319,043.24, 440,289.08 and 175,812.51 is: 242,626.45
Step by Step Solution
- Step 1: Write the proportion equation
319,043.24 : 440,289.08 = 175,812.51 : x - Step 2: Convert to fraction form
319,043.24/440,289.08 = 175,812.51/x - Step 3: Cross multiply
319,043.24x = 440,289.08 × 175,812.51 - Step 4: Simplify right side
319,043.24x = 77,408,328,280.39 - Step 5: Solve for x
x = 77,408,328,280.39/319,043.24 - Step 6: Final answer
x = 242,626.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.