Finding the Fourth Proportional to 309,682.02, 464,569.18 and 109,985.62
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Solution
The fourth proportional to 309,682.02, 464,569.18 and 109,985.62 is: 164,994.82
Step by Step Solution
- Step 1: Write the proportion equation
309,682.02 : 464,569.18 = 109,985.62 : x - Step 2: Convert to fraction form
309,682.02/464,569.18 = 109,985.62/x - Step 3: Cross multiply
309,682.02x = 464,569.18 × 109,985.62 - Step 4: Simplify right side
309,682.02x = 51,095,929,295.19 - Step 5: Solve for x
x = 51,095,929,295.19/309,682.02 - Step 6: Final answer
x = 164,994.82
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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.