Finding the Fourth Proportional to 157,299.84, 235,984.80 and 57,459.88
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Solution
The fourth proportional to 157,299.84, 235,984.80 and 57,459.88 is: 86,202.62
Step by Step Solution
- Step 1: Write the proportion equation
157,299.84 : 235,984.80 = 57,459.88 : x - Step 2: Convert to fraction form
157,299.84/235,984.80 = 57,459.88/x - Step 3: Cross multiply
157,299.84x = 235,984.80 × 57,459.88 - Step 4: Simplify right side
157,299.84x = 13,559,658,289.82 - Step 5: Solve for x
x = 13,559,658,289.82/157,299.84 - Step 6: Final answer
x = 86,202.62
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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.