Finding the Fourth Proportional to 351,269.80, 526,904.70 and 345,125.80
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Solution
The fourth proportional to 351,269.80, 526,904.70 and 345,125.80 is: 517,688.70
Step by Step Solution
- Step 1: Write the proportion equation
351,269.80 : 526,904.70 = 345,125.80 : x - Step 2: Convert to fraction form
351,269.80/526,904.70 = 345,125.80/x - Step 3: Cross multiply
351,269.80x = 526,904.70 × 345,125.80 - Step 4: Simplify right side
351,269.80x = 181,848,406,111.26 - Step 5: Solve for x
x = 181,848,406,111.26/351,269.80 - Step 6: Final answer
x = 517,688.70
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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.