Finding the Fourth Proportional to 302,392.17, 417,127.62 and 189,018.09
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Solution
The fourth proportional to 302,392.17, 417,127.62 and 189,018.09 is: 260,736.47
Step by Step Solution
- Step 1: Write the proportion equation
302,392.17 : 417,127.62 = 189,018.09 : x - Step 2: Convert to fraction form
302,392.17/417,127.62 = 189,018.09/x - Step 3: Cross multiply
302,392.17x = 417,127.62 × 189,018.09 - Step 4: Simplify right side
302,392.17x = 78,844,666,018.65 - Step 5: Solve for x
x = 78,844,666,018.65/302,392.17 - Step 6: Final answer
x = 260,736.47
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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.