Finding the Fourth Proportional to 338,830.84, 467,508.07 and 202,813.08
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Solution
The fourth proportional to 338,830.84, 467,508.07 and 202,813.08 is: 279,835.06
Step by Step Solution
- Step 1: Write the proportion equation
338,830.84 : 467,508.07 = 202,813.08 : x - Step 2: Convert to fraction form
338,830.84/467,508.07 = 202,813.08/x - Step 3: Cross multiply
338,830.84x = 467,508.07 × 202,813.08 - Step 4: Simplify right side
338,830.84x = 94,816,748,756.98 - Step 5: Solve for x
x = 94,816,748,756.98/338,830.84 - Step 6: Final answer
x = 279,835.06
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1.5x scale
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.