Finding the Fourth Proportional to 470,748.84, 649,484.10 and 292,004.52
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Solution
The fourth proportional to 470,748.84, 649,484.10 and 292,004.52 is: 402,873.63
Step by Step Solution
- Step 1: Write the proportion equation
470,748.84 : 649,484.10 = 292,004.52 : x - Step 2: Convert to fraction form
470,748.84/649,484.10 = 292,004.52/x - Step 3: Cross multiply
470,748.84x = 649,484.10 × 292,004.52 - Step 4: Simplify right side
470,748.84x = 189,652,292,868.13 - Step 5: Solve for x
x = 189,652,292,868.13/470,748.84 - Step 6: Final answer
x = 402,873.63
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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.