Finding the Fourth Proportional to 671,165.09, 926,207.55 and 369,359.09
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Solution
The fourth proportional to 671,165.09, 926,207.55 and 369,359.09 is: 509,715.39
Step by Step Solution
- Step 1: Write the proportion equation
671,165.09 : 926,207.55 = 369,359.09 : x - Step 2: Convert to fraction form
671,165.09/926,207.55 = 369,359.09/x - Step 3: Cross multiply
671,165.09x = 926,207.55 × 369,359.09 - Step 4: Simplify right side
671,165.09x = 342,103,173,188.09 - Step 5: Solve for x
x = 342,103,173,188.09/671,165.09 - Step 6: Final answer
x = 509,715.39
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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.