Finding the Fourth Proportional to 368,185.48, 508,267.14 and 277,578.28
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Solution
The fourth proportional to 368,185.48, 508,267.14 and 277,578.28 is: 383,187.08
Step by Step Solution
- Step 1: Write the proportion equation
368,185.48 : 508,267.14 = 277,578.28 : x - Step 2: Convert to fraction form
368,185.48/508,267.14 = 277,578.28/x - Step 3: Cross multiply
368,185.48x = 508,267.14 × 277,578.28 - Step 4: Simplify right side
368,185.48x = 141,083,918,501.72 - Step 5: Solve for x
x = 141,083,918,501.72/368,185.48 - Step 6: Final answer
x = 383,187.08
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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.