Finding the Fourth Proportional to 357,293.65, 535,239.81 and 207,218.74
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Solution
The fourth proportional to 357,293.65, 535,239.81 and 207,218.74 is: 310,421.75
Step by Step Solution
- Step 1: Write the proportion equation
357,293.65 : 535,239.81 = 207,218.74 : x - Step 2: Convert to fraction form
357,293.65/535,239.81 = 207,218.74/x - Step 3: Cross multiply
357,293.65x = 535,239.81 × 207,218.74 - Step 4: Simplify right side
357,293.65x = 110,911,719,026.04 - Step 5: Solve for x
x = 110,911,719,026.04/357,293.65 - Step 6: Final answer
x = 310,421.75
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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.