Finding the Fourth Proportional to 664,875.18, 997,312.70 and 166,239.18
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Solution
The fourth proportional to 664,875.18, 997,312.70 and 166,239.18 is: 249,358.75
Step by Step Solution
- Step 1: Write the proportion equation
664,875.18 : 997,312.70 = 166,239.18 : x - Step 2: Convert to fraction form
664,875.18/997,312.70 = 166,239.18/x - Step 3: Cross multiply
664,875.18x = 997,312.70 × 166,239.18 - Step 4: Simplify right side
664,875.18x = 165,792,445,451.59 - Step 5: Solve for x
x = 165,792,445,451.59/664,875.18 - Step 6: Final answer
x = 249,358.75
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1.5x scale
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.