Finding the Fourth Proportional to 184,872.84, 255,124.47 and 99,989.88
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Solution
The fourth proportional to 184,872.84, 255,124.47 and 99,989.88 is: 137,986.01
Step by Step Solution
- Step 1: Write the proportion equation
184,872.84 : 255,124.47 = 99,989.88 : x - Step 2: Convert to fraction form
184,872.84/255,124.47 = 99,989.88/x - Step 3: Cross multiply
184,872.84x = 255,124.47 × 99,989.88 - Step 4: Simplify right side
184,872.84x = 25,509,865,140.36 - Step 5: Solve for x
x = 25,509,865,140.36/184,872.84 - Step 6: Final answer
x = 137,986.01
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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.