Finding the Fourth Proportional to 438,848.34, 658,239.68 and 158,365.58
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Solution
The fourth proportional to 438,848.34, 658,239.68 and 158,365.58 is: 237,536.52
Step by Step Solution
- Step 1: Write the proportion equation
438,848.34 : 658,239.68 = 158,365.58 : x - Step 2: Convert to fraction form
438,848.34/658,239.68 = 158,365.58/x - Step 3: Cross multiply
438,848.34x = 658,239.68 × 158,365.58 - Step 4: Simplify right side
438,848.34x = 104,242,508,702.21 - Step 5: Solve for x
x = 104,242,508,702.21/438,848.34 - Step 6: Final answer
x = 237,536.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.