Finding the Fourth Proportional to 709,403.55, 1,064,114.69 and 236,088.99
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Solution
The fourth proportional to 709,403.55, 1,064,114.69 and 236,088.99 is: 354,136.60
Step by Step Solution
- Step 1: Write the proportion equation
709,403.55 : 1,064,114.69 = 236,088.99 : x - Step 2: Convert to fraction form
709,403.55/1,064,114.69 = 236,088.99/x - Step 3: Cross multiply
709,403.55x = 1,064,114.69 × 236,088.99 - Step 4: Simplify right side
709,403.55x = 251,225,761,225.82 - Step 5: Solve for x
x = 251,225,761,225.82/709,403.55 - Step 6: Final answer
x = 354,136.60
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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.