Finding the Fourth Proportional to 438,044.68, 604,501.58 and 247,058.28
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Solution
The fourth proportional to 438,044.68, 604,501.58 and 247,058.28 is: 340,940.38
Step by Step Solution
- Step 1: Write the proportion equation
438,044.68 : 604,501.58 = 247,058.28 : x - Step 2: Convert to fraction form
438,044.68/604,501.58 = 247,058.28/x - Step 3: Cross multiply
438,044.68x = 604,501.58 × 247,058.28 - Step 4: Simplify right side
438,044.68x = 149,347,120,612.08 - Step 5: Solve for x
x = 149,347,120,612.08/438,044.68 - Step 6: Final answer
x = 340,940.38
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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.