Finding the Fourth Proportional to 118,460.07, 163,369.04 and 98,285.00
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Solution
The fourth proportional to 118,460.07, 163,369.04 and 98,285.00 is: 135,545.46
Step by Step Solution
- Step 1: Write the proportion equation
118,460.07 : 163,369.04 = 98,285.00 : x - Step 2: Convert to fraction form
118,460.07/163,369.04 = 98,285.00/x - Step 3: Cross multiply
118,460.07x = 163,369.04 × 98,285.00 - Step 4: Simplify right side
118,460.07x = 16,056,724,788.13 - Step 5: Solve for x
x = 16,056,724,788.13/118,460.07 - Step 6: Final answer
x = 135,545.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.