Finding the Fourth Proportional to 530,279.36, 795,420.68 and 130,920.18
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Solution
The fourth proportional to 530,279.36, 795,420.68 and 130,920.18 is: 196,380.67
Step by Step Solution
- Step 1: Write the proportion equation
530,279.36 : 795,420.68 = 130,920.18 : x - Step 2: Convert to fraction form
530,279.36/795,420.68 = 130,920.18/x - Step 3: Cross multiply
530,279.36x = 795,420.68 × 130,920.18 - Step 4: Simplify right side
530,279.36x = 104,136,618,601.32 - Step 5: Solve for x
x = 104,136,618,601.32/530,279.36 - Step 6: Final answer
x = 196,380.67
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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.