Finding the Fourth Proportional to 343,404.60, 474,021.06 and 234,430.98
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Solution
The fourth proportional to 343,404.60, 474,021.06 and 234,430.98 is: 323,598.52
Step by Step Solution
- Step 1: Write the proportion equation
343,404.60 : 474,021.06 = 234,430.98 : x - Step 2: Convert to fraction form
343,404.60/474,021.06 = 234,430.98/x - Step 3: Cross multiply
343,404.60x = 474,021.06 × 234,430.98 - Step 4: Simplify right side
343,404.60x = 111,125,221,636.44 - Step 5: Solve for x
x = 111,125,221,636.44/343,404.60 - Step 6: Final answer
x = 323,598.52
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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.