Finding the Fourth Proportional to 403,110.09, 604,665.14 and 286,193.07
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Solution
The fourth proportional to 403,110.09, 604,665.14 and 286,193.07 is: 429,289.61
Step by Step Solution
- Step 1: Write the proportion equation
403,110.09 : 604,665.14 = 286,193.07 : x - Step 2: Convert to fraction form
403,110.09/604,665.14 = 286,193.07/x - Step 3: Cross multiply
403,110.09x = 604,665.14 × 286,193.07 - Step 4: Simplify right side
403,110.09x = 173,050,971,307.61 - Step 5: Solve for x
x = 173,050,971,307.61/403,110.09 - Step 6: Final answer
x = 429,289.61
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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.