Finding the Fourth Proportional to 432,129.66, 596,338.98 and 238,537.44
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Solution
The fourth proportional to 432,129.66, 596,338.98 and 238,537.44 is: 329,181.69
Step by Step Solution
- Step 1: Write the proportion equation
432,129.66 : 596,338.98 = 238,537.44 : x - Step 2: Convert to fraction form
432,129.66/596,338.98 = 238,537.44/x - Step 3: Cross multiply
432,129.66x = 596,338.98 × 238,537.44 - Step 4: Simplify right side
432,129.66x = 142,249,173,661.41 - Step 5: Solve for x
x = 142,249,173,661.41/432,129.66 - Step 6: Final answer
x = 329,181.69
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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.