Finding the Fourth Proportional to 470,211.06, 649,130.25 and 298,304.63
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Solution
The fourth proportional to 470,211.06, 649,130.25 and 298,304.63 is: 411,812.00
Step by Step Solution
- Step 1: Write the proportion equation
470,211.06 : 649,130.25 = 298,304.63 : x - Step 2: Convert to fraction form
470,211.06/649,130.25 = 298,304.63/x - Step 3: Cross multiply
470,211.06x = 649,130.25 × 298,304.63 - Step 4: Simplify right side
470,211.06x = 193,638,559,048.06 - Step 5: Solve for x
x = 193,638,559,048.06/470,211.06 - Step 6: Final answer
x = 411,812.00
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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.