Finding the Fourth Proportional to 145,403.03, 218,104.61 and 45,570.99
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Solution
The fourth proportional to 145,403.03, 218,104.61 and 45,570.99 is: 68,356.51
Step by Step Solution
- Step 1: Write the proportion equation
145,403.03 : 218,104.61 = 45,570.99 : x - Step 2: Convert to fraction form
145,403.03/218,104.61 = 45,570.99/x - Step 3: Cross multiply
145,403.03x = 218,104.61 × 45,570.99 - Step 4: Simplify right side
145,403.03x = 9,939,242,773.41 - Step 5: Solve for x
x = 9,939,242,773.41/145,403.03 - Step 6: Final answer
x = 68,356.51
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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.