Finding the Fourth Proportional to 157,322.05, 236,017.26 and 57,482.08
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Solution
The fourth proportional to 157,322.05, 236,017.26 and 57,482.08 is: 86,235.61
Step by Step Solution
- Step 1: Write the proportion equation
157,322.05 : 236,017.26 = 57,482.08 : x - Step 2: Convert to fraction form
157,322.05/236,017.26 = 57,482.08/x - Step 3: Cross multiply
157,322.05x = 236,017.26 × 57,482.08 - Step 4: Simplify right side
157,322.05x = 13,566,762,430.66 - Step 5: Solve for x
x = 13,566,762,430.66/157,322.05 - Step 6: Final answer
x = 86,235.61
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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.