Finding the Fourth Proportional to 518,946.36, 778,452.35 and 219,371.10
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Solution
The fourth proportional to 518,946.36, 778,452.35 and 219,371.10 is: 329,070.52
Step by Step Solution
- Step 1: Write the proportion equation
518,946.36 : 778,452.35 = 219,371.10 : x - Step 2: Convert to fraction form
518,946.36/778,452.35 = 219,371.10/x - Step 3: Cross multiply
518,946.36x = 778,452.35 × 219,371.10 - Step 4: Simplify right side
518,946.36x = 170,769,947,220.23 - Step 5: Solve for x
x = 170,769,947,220.23/518,946.36 - Step 6: Final answer
x = 329,070.52
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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.