Finding the Fourth Proportional to 356,924.30, 535,435.68 and 207,235.09
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Solution
The fourth proportional to 356,924.30, 535,435.68 and 207,235.09 is: 310,881.21
Step by Step Solution
- Step 1: Write the proportion equation
356,924.30 : 535,435.68 = 207,235.09 : x - Step 2: Convert to fraction form
356,924.30/535,435.68 = 207,235.09/x - Step 3: Cross multiply
356,924.30x = 535,435.68 × 207,235.09 - Step 4: Simplify right side
356,924.30x = 110,961,058,656.83 - Step 5: Solve for x
x = 110,961,058,656.83/356,924.30 - Step 6: Final answer
x = 310,881.21
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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.