Finding the Fourth Proportional to 671,036.07, 926,029.77 and 369,230.07
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Solution
The fourth proportional to 671,036.07, 926,029.77 and 369,230.07 is: 509,537.49
Step by Step Solution
- Step 1: Write the proportion equation
671,036.07 : 926,029.77 = 369,230.07 : x - Step 2: Convert to fraction form
671,036.07/926,029.77 = 369,230.07/x - Step 3: Cross multiply
671,036.07x = 926,029.77 × 369,230.07 - Step 4: Simplify right side
671,036.07x = 341,918,036,799.18 - Step 5: Solve for x
x = 341,918,036,799.18/671,036.07 - Step 6: Final answer
x = 509,537.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.