Finding the Fourth Proportional to 357,488.98, 493,214.76 and 202,419.12
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Solution
The fourth proportional to 357,488.98, 493,214.76 and 202,419.12 is: 279,270.42
Step by Step Solution
- Step 1: Write the proportion equation
357,488.98 : 493,214.76 = 202,419.12 : x - Step 2: Convert to fraction form
357,488.98/493,214.76 = 202,419.12/x - Step 3: Cross multiply
357,488.98x = 493,214.76 × 202,419.12 - Step 4: Simplify right side
357,488.98x = 99,836,095,224.14 - Step 5: Solve for x
x = 99,836,095,224.14/357,488.98 - Step 6: Final answer
x = 279,270.42
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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.