Finding the Fourth Proportional to 665,038.70, 997,558.05 and 310,088.60
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Solution
The fourth proportional to 665,038.70, 997,558.05 and 310,088.60 is: 465,132.90
Step by Step Solution
- Step 1: Write the proportion equation
665,038.70 : 997,558.05 = 310,088.60 : x - Step 2: Convert to fraction form
665,038.70/997,558.05 = 310,088.60/x - Step 3: Cross multiply
665,038.70x = 997,558.05 × 310,088.60 - Step 4: Simplify right side
665,038.70x = 309,331,379,143.23 - Step 5: Solve for x
x = 309,331,379,143.23/665,038.70 - Step 6: Final answer
x = 465,132.90
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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.