Finding the Fourth Proportional to 524,353.69, 786,547.45 and 145,278.08
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Solution
The fourth proportional to 524,353.69, 786,547.45 and 145,278.08 is: 217,921.80
Step by Step Solution
- Step 1: Write the proportion equation
524,353.69 : 786,547.45 = 145,278.08 : x - Step 2: Convert to fraction form
524,353.69/786,547.45 = 145,278.08/x - Step 3: Cross multiply
524,353.69x = 786,547.45 × 145,278.08 - Step 4: Simplify right side
524,353.69x = 114,268,100,672.14 - Step 5: Solve for x
x = 114,268,100,672.14/524,353.69 - Step 6: Final answer
x = 217,921.80
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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.