Finding the Fourth Proportional to 470,926.17, 649,885.41 and 256,066.74
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Solution
The fourth proportional to 470,926.17, 649,885.41 and 256,066.74 is: 353,376.07
Step by Step Solution
- Step 1: Write the proportion equation
470,926.17 : 649,885.41 = 256,066.74 : x - Step 2: Convert to fraction form
470,926.17/649,885.41 = 256,066.74/x - Step 3: Cross multiply
470,926.17x = 649,885.41 × 256,066.74 - Step 4: Simplify right side
470,926.17x = 166,414,038,312.26 - Step 5: Solve for x
x = 166,414,038,312.26/470,926.17 - Step 6: Final answer
x = 353,376.07
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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.