Finding the Fourth Proportional to 346,539.05, 519,808.23 and 130,438.14
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Solution
The fourth proportional to 346,539.05, 519,808.23 and 130,438.14 is: 195,657.08
Step by Step Solution
- Step 1: Write the proportion equation
346,539.05 : 519,808.23 = 130,438.14 : x - Step 2: Convert to fraction form
346,539.05/519,808.23 = 130,438.14/x - Step 3: Cross multiply
346,539.05x = 519,808.23 × 130,438.14 - Step 4: Simplify right side
346,539.05x = 67,802,818,677.89 - Step 5: Solve for x
x = 67,802,818,677.89/346,539.05 - Step 6: Final answer
x = 195,657.08
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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.