Finding the Fourth Proportional to 581,318.84, 872,199.70 and 202,281.72
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Solution
The fourth proportional to 581,318.84, 872,199.70 and 202,281.72 is: 303,499.63
Step by Step Solution
- Step 1: Write the proportion equation
581,318.84 : 872,199.70 = 202,281.72 : x - Step 2: Convert to fraction form
581,318.84/872,199.70 = 202,281.72/x - Step 3: Cross multiply
581,318.84x = 872,199.70 × 202,281.72 - Step 4: Simplify right side
581,318.84x = 176,430,055,499.48 - Step 5: Solve for x
x = 176,430,055,499.48/581,318.84 - Step 6: Final answer
x = 303,499.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.