Finding the Fourth Proportional to 438,086.42, 604,587.47 and 247,095.71
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Solution
The fourth proportional to 438,086.42, 604,587.47 and 247,095.71 is: 341,007.99
Step by Step Solution
- Step 1: Write the proportion equation
438,086.42 : 604,587.47 = 247,095.71 : x - Step 2: Convert to fraction form
438,086.42/604,587.47 = 247,095.71/x - Step 3: Cross multiply
438,086.42x = 604,587.47 × 247,095.71 - Step 4: Simplify right side
438,086.42x = 149,390,965,898.34 - Step 5: Solve for x
x = 149,390,965,898.34/438,086.42 - Step 6: Final answer
x = 341,007.99
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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.