Finding the Fourth Proportional to 424,448.58, 636,603.66 and 124,859.08
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Solution
The fourth proportional to 424,448.58, 636,603.66 and 124,859.08 is: 187,268.26
Step by Step Solution
- Step 1: Write the proportion equation
424,448.58 : 636,603.66 = 124,859.08 : x - Step 2: Convert to fraction form
424,448.58/636,603.66 = 124,859.08/x - Step 3: Cross multiply
424,448.58x = 636,603.66 × 124,859.08 - Step 4: Simplify right side
424,448.58x = 79,485,747,312.23 - Step 5: Solve for x
x = 79,485,747,312.23/424,448.58 - Step 6: Final answer
x = 187,268.26
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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.