Finding the Fourth Proportional to 357,089.81, 535,579.35 and 104,302.42
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Solution
The fourth proportional to 357,089.81, 535,579.35 and 104,302.42 is: 156,437.46
Step by Step Solution
- Step 1: Write the proportion equation
357,089.81 : 535,579.35 = 104,302.42 : x - Step 2: Convert to fraction form
357,089.81/535,579.35 = 104,302.42/x - Step 3: Cross multiply
357,089.81x = 535,579.35 × 104,302.42 - Step 4: Simplify right side
357,089.81x = 55,862,222,307.03 - Step 5: Solve for x
x = 55,862,222,307.03/357,089.81 - Step 6: Final answer
x = 156,437.46
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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.