Finding the Fourth Proportional to 357,202.98, 535,808.61 and 90,963.18
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Solution
The fourth proportional to 357,202.98, 535,808.61 and 90,963.18 is: 136,445.82
Step by Step Solution
- Step 1: Write the proportion equation
357,202.98 : 535,808.61 = 90,963.18 : x - Step 2: Convert to fraction form
357,202.98/535,808.61 = 90,963.18/x - Step 3: Cross multiply
357,202.98x = 535,808.61 × 90,963.18 - Step 4: Simplify right side
357,202.98x = 48,738,855,036.98 - Step 5: Solve for x
x = 48,738,855,036.98/357,202.98 - Step 6: Final answer
x = 136,445.82
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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.