Finding the Fourth Proportional to 196,553.80, 294,830.70 and 134,345.80
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Solution
The fourth proportional to 196,553.80, 294,830.70 and 134,345.80 is: 201,518.70
Step by Step Solution
- Step 1: Write the proportion equation
196,553.80 : 294,830.70 = 134,345.80 : x - Step 2: Convert to fraction form
196,553.80/294,830.70 = 134,345.80/x - Step 3: Cross multiply
196,553.80x = 294,830.70 × 134,345.80 - Step 4: Simplify right side
196,553.80x = 39,609,266,256.06 - Step 5: Solve for x
x = 39,609,266,256.06/196,553.80 - Step 6: Final answer
x = 201,518.70
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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.