Finding the Fourth Proportional to 747,307.09, 1,121,148.38 and 214,829.08
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Solution
The fourth proportional to 747,307.09, 1,121,148.38 and 214,829.08 is: 322,297.59
Step by Step Solution
- Step 1: Write the proportion equation
747,307.09 : 1,121,148.38 = 214,829.08 : x - Step 2: Convert to fraction form
747,307.09/1,121,148.38 = 214,829.08/x - Step 3: Cross multiply
747,307.09x = 1,121,148.38 × 214,829.08 - Step 4: Simplify right side
747,307.09x = 240,855,275,018.89 - Step 5: Solve for x
x = 240,855,275,018.89/747,307.09 - Step 6: Final answer
x = 322,297.59
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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.