Finding the Fourth Proportional to 612,288.24, 918,499.08 and 207,772.56
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Solution
The fourth proportional to 612,288.24, 918,499.08 and 207,772.56 is: 311,681.48
Step by Step Solution
- Step 1: Write the proportion equation
612,288.24 : 918,499.08 = 207,772.56 : x - Step 2: Convert to fraction form
612,288.24/918,499.08 = 207,772.56/x - Step 3: Cross multiply
612,288.24x = 918,499.08 × 207,772.56 - Step 4: Simplify right side
612,288.24x = 190,838,905,209.25 - Step 5: Solve for x
x = 190,838,905,209.25/612,288.24 - Step 6: Final answer
x = 311,681.48
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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.