Finding the Fourth Proportional to 356,902.98, 535,353.14 and 87,028.02
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Solution
The fourth proportional to 356,902.98, 535,353.14 and 87,028.02 is: 130,541.71
Step by Step Solution
- Step 1: Write the proportion equation
356,902.98 : 535,353.14 = 87,028.02 : x - Step 2: Convert to fraction form
356,902.98/535,353.14 = 87,028.02/x - Step 3: Cross multiply
356,902.98x = 535,353.14 × 87,028.02 - Step 4: Simplify right side
356,902.98x = 46,590,723,774.98 - Step 5: Solve for x
x = 46,590,723,774.98/356,902.98 - Step 6: Final answer
x = 130,541.71
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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.