Finding the Fourth Proportional to 292,220.80, 438,345.60 and 152,252.80
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Solution
The fourth proportional to 292,220.80, 438,345.60 and 152,252.80 is: 228,386.70
Step by Step Solution
- Step 1: Write the proportion equation
292,220.80 : 438,345.60 = 152,252.80 : x - Step 2: Convert to fraction form
292,220.80/438,345.60 = 152,252.80/x - Step 3: Cross multiply
292,220.80x = 438,345.60 × 152,252.80 - Step 4: Simplify right side
292,220.80x = 66,739,344,967.68 - Step 5: Solve for x
x = 66,739,344,967.68/292,220.80 - Step 6: Final answer
x = 228,386.70
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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.