Finding the Fourth Proportional to 291,209.84, 401,803.08 and 163,838.96
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Solution
The fourth proportional to 291,209.84, 401,803.08 and 163,838.96 is: 226,060.35
Step by Step Solution
- Step 1: Write the proportion equation
291,209.84 : 401,803.08 = 163,838.96 : x - Step 2: Convert to fraction form
291,209.84/401,803.08 = 163,838.96/x - Step 3: Cross multiply
291,209.84x = 401,803.08 × 163,838.96 - Step 4: Simplify right side
291,209.84x = 65,830,998,752.00 - Step 5: Solve for x
x = 65,830,998,752.00/291,209.84 - Step 6: Final answer
x = 226,060.35
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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.