Finding the Fourth Proportional to 558,174.84, 770,257.80 and 316,473.63
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Solution
The fourth proportional to 558,174.84, 770,257.80 and 316,473.63 is: 436,720.30
Step by Step Solution
- Step 1: Write the proportion equation
558,174.84 : 770,257.80 = 316,473.63 : x - Step 2: Convert to fraction form
558,174.84/770,257.80 = 316,473.63/x - Step 3: Cross multiply
558,174.84x = 770,257.80 × 316,473.63 - Step 4: Simplify right side
558,174.84x = 243,766,282,001.81 - Step 5: Solve for x
x = 243,766,282,001.81/558,174.84 - Step 6: Final answer
x = 436,720.30
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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.