Finding the Fourth Proportional to 558,183.23, 770,269.60 and 316,482.14
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Solution
The fourth proportional to 558,183.23, 770,269.60 and 316,482.14 is: 436,732.17
Step by Step Solution
- Step 1: Write the proportion equation
558,183.23 : 770,269.60 = 316,482.14 : x - Step 2: Convert to fraction form
558,183.23/770,269.60 = 316,482.14/x - Step 3: Cross multiply
558,183.23x = 770,269.60 × 316,482.14 - Step 4: Simplify right side
558,183.23x = 243,776,569,373.45 - Step 5: Solve for x
x = 243,776,569,373.45/558,183.23 - Step 6: Final answer
x = 436,732.17
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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.