Finding the Fourth Proportional to 432,005.67, 596,163.65 and 238,415.18
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Solution
The fourth proportional to 432,005.67, 596,163.65 and 238,415.18 is: 329,010.63
Step by Step Solution
- Step 1: Write the proportion equation
432,005.67 : 596,163.65 = 238,415.18 : x - Step 2: Convert to fraction form
432,005.67/596,163.65 = 238,415.18/x - Step 3: Cross multiply
432,005.67x = 596,163.65 × 238,415.18 - Step 4: Simplify right side
432,005.67x = 142,134,459,751.31 - Step 5: Solve for x
x = 142,134,459,751.31/432,005.67 - Step 6: Final answer
x = 329,010.63
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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.