Finding the Fourth Proportional to 357,547.96, 493,295.73 and 202,478.05
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Solution
The fourth proportional to 357,547.96, 493,295.73 and 202,478.05 is: 279,351.50
Step by Step Solution
- Step 1: Write the proportion equation
357,547.96 : 493,295.73 = 202,478.05 : x - Step 2: Convert to fraction form
357,547.96/493,295.73 = 202,478.05/x - Step 3: Cross multiply
357,547.96x = 493,295.73 × 202,478.05 - Step 4: Simplify right side
357,547.96x = 99,881,557,483.73 - Step 5: Solve for x
x = 99,881,557,483.73/357,547.96 - Step 6: Final answer
x = 279,351.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.