Finding the Fourth Proportional to 316,495.54, 474,415.26 and 197,894.53
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Solution
The fourth proportional to 316,495.54, 474,415.26 and 197,894.53 is: 296,636.68
Step by Step Solution
- Step 1: Write the proportion equation
316,495.54 : 474,415.26 = 197,894.53 : x - Step 2: Convert to fraction form
316,495.54/474,415.26 = 197,894.53/x - Step 3: Cross multiply
316,495.54x = 474,415.26 × 197,894.53 - Step 4: Simplify right side
316,495.54x = 93,884,184,902.53 - Step 5: Solve for x
x = 93,884,184,902.53/316,495.54 - Step 6: Final answer
x = 296,636.68
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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.