Finding the Fourth Proportional to 658,985.63, 988,478.44 and 160,349.63
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Solution
The fourth proportional to 658,985.63, 988,478.44 and 160,349.63 is: 240,524.44
Step by Step Solution
- Step 1: Write the proportion equation
658,985.63 : 988,478.44 = 160,349.63 : x - Step 2: Convert to fraction form
658,985.63/988,478.44 = 160,349.63/x - Step 3: Cross multiply
658,985.63x = 988,478.44 × 160,349.63 - Step 4: Simplify right side
658,985.63x = 158,502,146,773.71 - Step 5: Solve for x
x = 158,502,146,773.71/658,985.63 - Step 6: Final answer
x = 240,524.44
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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.