Finding the Fourth Proportional to 553,056.84, 830,028.18 and 253,678.44
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Solution
The fourth proportional to 553,056.84, 830,028.18 and 253,678.44 is: 380,720.82
Step by Step Solution
- Step 1: Write the proportion equation
553,056.84 : 830,028.18 = 253,678.44 : x - Step 2: Convert to fraction form
553,056.84/830,028.18 = 253,678.44/x - Step 3: Cross multiply
553,056.84x = 830,028.18 × 253,678.44 - Step 4: Simplify right side
553,056.84x = 210,560,253,858.44 - Step 5: Solve for x
x = 210,560,253,858.44/553,056.84 - Step 6: Final answer
x = 380,720.82
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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.