Finding the Fourth Proportional to 470,248.34, 648,944.56 and 255,391.99
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Solution
The fourth proportional to 470,248.34, 648,944.56 and 255,391.99 is: 352,441.95
Step by Step Solution
- Step 1: Write the proportion equation
470,248.34 : 648,944.56 = 255,391.99 : x - Step 2: Convert to fraction form
470,248.34/648,944.56 = 255,391.99/x - Step 3: Cross multiply
470,248.34x = 648,944.56 × 255,391.99 - Step 4: Simplify right side
470,248.34x = 165,735,241,274.95 - Step 5: Solve for x
x = 165,735,241,274.95/470,248.34 - Step 6: Final answer
x = 352,441.95
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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.