Finding the Fourth Proportional to 108,317.84, 149,482.70 and 60,571.08
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Solution
The fourth proportional to 108,317.84, 149,482.70 and 60,571.08 is: 83,590.37
Step by Step Solution
- Step 1: Write the proportion equation
108,317.84 : 149,482.70 = 60,571.08 : x - Step 2: Convert to fraction form
108,317.84/149,482.70 = 60,571.08/x - Step 3: Cross multiply
108,317.84x = 149,482.70 × 60,571.08 - Step 4: Simplify right side
108,317.84x = 9,054,328,580.32 - Step 5: Solve for x
x = 9,054,328,580.32/108,317.84 - Step 6: Final answer
x = 83,590.37
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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.