Finding the Fourth Proportional to 356,902.08, 535,402.62 and 120,312.42
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Solution
The fourth proportional to 356,902.08, 535,402.62 and 120,312.42 is: 180,485.32
Step by Step Solution
- Step 1: Write the proportion equation
356,902.08 : 535,402.62 = 120,312.42 : x - Step 2: Convert to fraction form
356,902.08/535,402.62 = 120,312.42/x - Step 3: Cross multiply
356,902.08x = 535,402.62 × 120,312.42 - Step 4: Simplify right side
356,902.08x = 64,415,584,886.54 - Step 5: Solve for x
x = 64,415,584,886.54/356,902.08 - Step 6: Final answer
x = 180,485.32
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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.