Finding the Fourth Proportional to 432,859.30, 648,122.55 and 339,547.30
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Solution
The fourth proportional to 432,859.30, 648,122.55 and 339,547.30 is: 508,405.99
Step by Step Solution
- Step 1: Write the proportion equation
432,859.30 : 648,122.55 = 339,547.30 : x - Step 2: Convert to fraction form
432,859.30/648,122.55 = 339,547.30/x - Step 3: Cross multiply
432,859.30x = 648,122.55 × 339,547.30 - Step 4: Simplify right side
432,859.30x = 220,068,261,921.62 - Step 5: Solve for x
x = 220,068,261,921.62/432,859.30 - Step 6: Final answer
x = 508,405.99
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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.