Finding the Fourth Proportional to 346,319.10, 519,478.65 and 346,319.10
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Solution
The fourth proportional to 346,319.10, 519,478.65 and 346,319.10 is: 519,478.65
Step by Step Solution
- Step 1: Write the proportion equation
346,319.10 : 519,478.65 = 346,319.10 : x - Step 2: Convert to fraction form
346,319.10/519,478.65 = 346,319.10/x - Step 3: Cross multiply
346,319.10x = 519,478.65 × 346,319.10 - Step 4: Simplify right side
346,319.10x = 179,905,378,537.22 - Step 5: Solve for x
x = 179,905,378,537.22/346,319.10 - Step 6: Final answer
x = 519,478.65
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1.5x scale
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.