Finding the Fourth Proportional to 358,944.95, 495,347.36 and 197,805.75
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Solution
The fourth proportional to 358,944.95, 495,347.36 and 197,805.75 is: 272,973.77
Step by Step Solution
- Step 1: Write the proportion equation
358,944.95 : 495,347.36 = 197,805.75 : x - Step 2: Convert to fraction form
358,944.95/495,347.36 = 197,805.75/x - Step 3: Cross multiply
358,944.95x = 495,347.36 × 197,805.75 - Step 4: Simplify right side
358,944.95x = 97,982,555,066.29 - Step 5: Solve for x
x = 97,982,555,066.29/358,944.95 - Step 6: Final answer
x = 272,973.77
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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.