Finding the Fourth Proportional to 370,317.17, 510,845.97 and 217,252.63
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Solution
The fourth proportional to 370,317.17, 510,845.97 and 217,252.63 is: 299,696.15
Step by Step Solution
- Step 1: Write the proportion equation
370,317.17 : 510,845.97 = 217,252.63 : x - Step 2: Convert to fraction form
370,317.17/510,845.97 = 217,252.63/x - Step 3: Cross multiply
370,317.17x = 510,845.97 × 217,252.63 - Step 4: Simplify right side
370,317.17x = 110,982,630,507.40 - Step 5: Solve for x
x = 110,982,630,507.40/370,317.17 - Step 6: Final answer
x = 299,696.15
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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.