Finding the Fourth Proportional to 403,136.79, 604,792.67 and 122,646.75
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Solution
The fourth proportional to 403,136.79, 604,792.67 and 122,646.75 is: 183,996.74
Step by Step Solution
- Step 1: Write the proportion equation
403,136.79 : 604,792.67 = 122,646.75 : x - Step 2: Convert to fraction form
403,136.79/604,792.67 = 122,646.75/x - Step 3: Cross multiply
403,136.79x = 604,792.67 × 122,646.75 - Step 4: Simplify right side
403,136.79x = 74,175,854,786.09 - Step 5: Solve for x
x = 74,175,854,786.09/403,136.79 - Step 6: Final answer
x = 183,996.74
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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.