Finding the Fourth Proportional to 338,605.79, 467,281.26 and 185,657.94
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Solution
The fourth proportional to 338,605.79, 467,281.26 and 185,657.94 is: 256,210.85
Step by Step Solution
- Step 1: Write the proportion equation
338,605.79 : 467,281.26 = 185,657.94 : x - Step 2: Convert to fraction form
338,605.79/467,281.26 = 185,657.94/x - Step 3: Cross multiply
338,605.79x = 467,281.26 × 185,657.94 - Step 4: Simplify right side
338,605.79x = 86,754,476,132.20 - Step 5: Solve for x
x = 86,754,476,132.20/338,605.79 - Step 6: Final answer
x = 256,210.85
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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.