Finding the Fourth Proportional to 237,969.94, 328,395.45 and 135,994.23
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Solution
The fourth proportional to 237,969.94, 328,395.45 and 135,994.23 is: 187,670.28
Step by Step Solution
- Step 1: Write the proportion equation
237,969.94 : 328,395.45 = 135,994.23 : x - Step 2: Convert to fraction form
237,969.94/328,395.45 = 135,994.23/x - Step 3: Cross multiply
237,969.94x = 328,395.45 × 135,994.23 - Step 4: Simplify right side
237,969.94x = 44,659,886,358.25 - Step 5: Solve for x
x = 44,659,886,358.25/237,969.94 - Step 6: Final answer
x = 187,670.28
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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.