Finding the Fourth Proportional to 357,295.53, 535,242.61 and 207,220.62
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Solution
The fourth proportional to 357,295.53, 535,242.61 and 207,220.62 is: 310,424.55
Step by Step Solution
- Step 1: Write the proportion equation
357,295.53 : 535,242.61 = 207,220.62 : x - Step 2: Convert to fraction form
357,295.53/535,242.61 = 207,220.62/x - Step 3: Cross multiply
357,295.53x = 535,242.61 × 207,220.62 - Step 4: Simplify right side
357,295.53x = 110,913,305,494.62 - Step 5: Solve for x
x = 110,913,305,494.62/357,295.53 - Step 6: Final answer
x = 310,424.55
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1.5x scale
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.