Finding the Fourth Proportional to 237,970.94, 328,396.83 and 135,995.23
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Solution
The fourth proportional to 237,970.94, 328,396.83 and 135,995.23 is: 187,671.66
Step by Step Solution
- Step 1: Write the proportion equation
237,970.94 : 328,396.83 = 135,995.23 : x - Step 2: Convert to fraction form
237,970.94/328,396.83 = 135,995.23/x - Step 3: Cross multiply
237,970.94x = 328,396.83 × 135,995.23 - Step 4: Simplify right side
237,970.94x = 44,660,402,427.12 - Step 5: Solve for x
x = 44,660,402,427.12/237,970.94 - Step 6: Final answer
x = 187,671.66
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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.