Finding the Fourth Proportional to 608,980.36, 913,404.92 and 159,746.26
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Solution
The fourth proportional to 608,980.36, 913,404.92 and 159,746.26 is: 239,602.18
Step by Step Solution
- Step 1: Write the proportion equation
608,980.36 : 913,404.92 = 159,746.26 : x - Step 2: Convert to fraction form
608,980.36/913,404.92 = 159,746.26/x - Step 3: Cross multiply
608,980.36x = 913,404.92 × 159,746.26 - Step 4: Simplify right side
608,980.36x = 145,913,019,835.60 - Step 5: Solve for x
x = 145,913,019,835.60/608,980.36 - Step 6: Final answer
x = 239,602.18
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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.