Finding the Fourth Proportional to 536,117.68, 739,859.64 and 309,763.12
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Solution
The fourth proportional to 536,117.68, 739,859.64 and 309,763.12 is: 427,483.07
Step by Step Solution
- Step 1: Write the proportion equation
536,117.68 : 739,859.64 = 309,763.12 : x - Step 2: Convert to fraction form
536,117.68/739,859.64 = 309,763.12/x - Step 3: Cross multiply
536,117.68x = 739,859.64 × 309,763.12 - Step 4: Simplify right side
536,117.68x = 229,181,230,448.48 - Step 5: Solve for x
x = 229,181,230,448.48/536,117.68 - Step 6: Final answer
x = 427,483.07
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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.