Finding the Fourth Proportional to 470,211.42, 648,899.28 and 266,256.84
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Solution
The fourth proportional to 470,211.42, 648,899.28 and 266,256.84 is: 367,438.70
Step by Step Solution
- Step 1: Write the proportion equation
470,211.42 : 648,899.28 = 266,256.84 : x - Step 2: Convert to fraction form
470,211.42/648,899.28 = 266,256.84/x - Step 3: Cross multiply
470,211.42x = 648,899.28 × 266,256.84 - Step 4: Simplify right side
470,211.42x = 172,773,871,771.08 - Step 5: Solve for x
x = 172,773,871,771.08/470,211.42 - Step 6: Final answer
x = 367,438.70
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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.