Finding the Fourth Proportional to 377,230.42, 520,486.86 and 239,359.08
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Solution
The fourth proportional to 377,230.42, 520,486.86 and 239,359.08 is: 330,257.72
Step by Step Solution
- Step 1: Write the proportion equation
377,230.42 : 520,486.86 = 239,359.08 : x - Step 2: Convert to fraction form
377,230.42/520,486.86 = 239,359.08/x - Step 3: Cross multiply
377,230.42x = 520,486.86 × 239,359.08 - Step 4: Simplify right side
377,230.42x = 124,583,258,811.11 - Step 5: Solve for x
x = 124,583,258,811.11/377,230.42 - Step 6: Final answer
x = 330,257.72
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1.5x scale
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.