Finding the Fourth Proportional to 104,866.10, 157,005.99 and 56,661.99
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Solution
The fourth proportional to 104,866.10, 157,005.99 and 56,661.99 is: 84,834.59
Step by Step Solution
- Step 1: Write the proportion equation
104,866.10 : 157,005.99 = 56,661.99 : x - Step 2: Convert to fraction form
104,866.10/157,005.99 = 56,661.99/x - Step 3: Cross multiply
104,866.10x = 157,005.99 × 56,661.99 - Step 4: Simplify right side
104,866.10x = 8,896,271,835.32 - Step 5: Solve for x
x = 8,896,271,835.32/104,866.10 - Step 6: Final answer
x = 84,834.59
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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.