Finding the Fourth Proportional to 368,389.41, 552,582.29 and 318,317.13
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Solution
The fourth proportional to 368,389.41, 552,582.29 and 318,317.13 is: 477,474.12
Step by Step Solution
- Step 1: Write the proportion equation
368,389.41 : 552,582.29 = 318,317.13 : x - Step 2: Convert to fraction form
368,389.41/552,582.29 = 318,317.13/x - Step 3: Cross multiply
368,389.41x = 552,582.29 × 318,317.13 - Step 4: Simplify right side
368,389.41x = 175,896,407,050.04 - Step 5: Solve for x
x = 175,896,407,050.04/368,389.41 - Step 6: Final answer
x = 477,474.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.