Finding the Fourth Proportional to 237,948.84, 328,379.67 and 142,437.08
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Solution
The fourth proportional to 237,948.84, 328,379.67 and 142,437.08 is: 196,569.32
Step by Step Solution
- Step 1: Write the proportion equation
237,948.84 : 328,379.67 = 142,437.08 : x - Step 2: Convert to fraction form
237,948.84/328,379.67 = 142,437.08/x - Step 3: Cross multiply
237,948.84x = 328,379.67 × 142,437.08 - Step 4: Simplify right side
237,948.84x = 46,773,442,147.11 - Step 5: Solve for x
x = 46,773,442,147.11/237,948.84 - Step 6: Final answer
x = 196,569.32
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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.