Finding the Fourth Proportional to 298,809.95, 412,345.70 and 162,840.99
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Solution
The fourth proportional to 298,809.95, 412,345.70 and 162,840.99 is: 224,714.01
Step by Step Solution
- Step 1: Write the proportion equation
298,809.95 : 412,345.70 = 162,840.99 : x - Step 2: Convert to fraction form
298,809.95/412,345.70 = 162,840.99/x - Step 3: Cross multiply
298,809.95x = 412,345.70 × 162,840.99 - Step 4: Simplify right side
298,809.95x = 67,146,781,735.28 - Step 5: Solve for x
x = 67,146,781,735.28/298,809.95 - Step 6: Final answer
x = 224,714.01
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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.