Finding the Fourth Proportional to 292,281.60, 438,292.80 and 134,428.80
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Solution
The fourth proportional to 292,281.60, 438,292.80 and 134,428.80 is: 201,583.59
Step by Step Solution
- Step 1: Write the proportion equation
292,281.60 : 438,292.80 = 134,428.80 : x - Step 2: Convert to fraction form
292,281.60/438,292.80 = 134,428.80/x - Step 3: Cross multiply
292,281.60x = 438,292.80 × 134,428.80 - Step 4: Simplify right side
292,281.60x = 58,919,175,152.64 - Step 5: Solve for x
x = 58,919,175,152.64/292,281.60 - Step 6: Final answer
x = 201,583.59
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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.