Finding the Fourth Proportional to 539,484.90, 809,379.08 and 235,905.78
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Solution
The fourth proportional to 539,484.90, 809,379.08 and 235,905.78 is: 353,925.02
Step by Step Solution
- Step 1: Write the proportion equation
539,484.90 : 809,379.08 = 235,905.78 : x - Step 2: Convert to fraction form
539,484.90/809,379.08 = 235,905.78/x - Step 3: Cross multiply
539,484.90x = 809,379.08 × 235,905.78 - Step 4: Simplify right side
539,484.90x = 190,937,203,183.08 - Step 5: Solve for x
x = 190,937,203,183.08/539,484.90 - Step 6: Final answer
x = 353,925.02
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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.