Finding the Fourth Proportional to 315,271.99, 435,084.93 and 179,325.49
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Solution
The fourth proportional to 315,271.99, 435,084.93 and 179,325.49 is: 247,474.63
Step by Step Solution
- Step 1: Write the proportion equation
315,271.99 : 435,084.93 = 179,325.49 : x - Step 2: Convert to fraction form
315,271.99/435,084.93 = 179,325.49/x - Step 3: Cross multiply
315,271.99x = 435,084.93 × 179,325.49 - Step 4: Simplify right side
315,271.99x = 78,021,818,263.87 - Step 5: Solve for x
x = 78,021,818,263.87/315,271.99 - Step 6: Final answer
x = 247,474.63
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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.