Finding the Fourth Proportional to 346,477.67, 519,716.58 and 130,377.09
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Solution
The fourth proportional to 346,477.67, 519,716.58 and 130,377.09 is: 195,565.67
Step by Step Solution
- Step 1: Write the proportion equation
346,477.67 : 519,716.58 = 130,377.09 : x - Step 2: Convert to fraction form
346,477.67/519,716.58 = 130,377.09/x - Step 3: Cross multiply
346,477.67x = 519,716.58 × 130,377.09 - Step 4: Simplify right side
346,477.67x = 67,759,135,325.15 - Step 5: Solve for x
x = 67,759,135,325.15/346,477.67 - Step 6: Final answer
x = 195,565.67
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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.