Finding the Fourth Proportional to 291,332.21, 402,098.51 and 170,536.91
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Solution
The fourth proportional to 291,332.21, 402,098.51 and 170,536.91 is: 235,376.09
Step by Step Solution
- Step 1: Write the proportion equation
291,332.21 : 402,098.51 = 170,536.91 : x - Step 2: Convert to fraction form
291,332.21/402,098.51 = 170,536.91/x - Step 3: Cross multiply
291,332.21x = 402,098.51 × 170,536.91 - Step 4: Simplify right side
291,332.21x = 68,572,635,826.85 - Step 5: Solve for x
x = 68,572,635,826.85/291,332.21 - Step 6: Final answer
x = 235,376.09
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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.