Finding the Fourth Proportional to 514,157.36, 709,354.68 and 334,998.32
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Solution
The fourth proportional to 514,157.36, 709,354.68 and 334,998.32 is: 462,178.79
Step by Step Solution
- Step 1: Write the proportion equation
514,157.36 : 709,354.68 = 334,998.32 : x - Step 2: Convert to fraction form
514,157.36/709,354.68 = 334,998.32/x - Step 3: Cross multiply
514,157.36x = 709,354.68 × 334,998.32 - Step 4: Simplify right side
514,157.36x = 237,632,626,084.14 - Step 5: Solve for x
x = 237,632,626,084.14/514,157.36 - Step 6: Final answer
x = 462,178.79
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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.