Finding the Fourth Proportional to 309,607.66, 464,409.66 and 99,244.99
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Solution
The fourth proportional to 309,607.66, 464,409.66 and 99,244.99 is: 148,866.89
Step by Step Solution
- Step 1: Write the proportion equation
309,607.66 : 464,409.66 = 99,244.99 : x - Step 2: Convert to fraction form
309,607.66/464,409.66 = 99,244.99/x - Step 3: Cross multiply
309,607.66x = 464,409.66 × 99,244.99 - Step 4: Simplify right side
309,607.66x = 46,090,329,740.56 - Step 5: Solve for x
x = 46,090,329,740.56/309,607.66 - Step 6: Final answer
x = 148,866.89
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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.