Finding the Fourth Proportional to 292,283.60, 438,295.80 and 134,430.80
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Solution
The fourth proportional to 292,283.60, 438,295.80 and 134,430.80 is: 201,586.59
Step by Step Solution
- Step 1: Write the proportion equation
292,283.60 : 438,295.80 = 134,430.80 : x - Step 2: Convert to fraction form
292,283.60/438,295.80 = 134,430.80/x - Step 3: Cross multiply
292,283.60x = 438,295.80 × 134,430.80 - Step 4: Simplify right side
292,283.60x = 58,920,455,030.64 - Step 5: Solve for x
x = 58,920,455,030.64/292,283.60 - Step 6: Final answer
x = 201,586.59
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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.