Finding the Fourth Proportional to 608,737.80, 913,106.70 and 159,457.80
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Solution
The fourth proportional to 608,737.80, 913,106.70 and 159,457.80 is: 239,186.70
Step by Step Solution
- Step 1: Write the proportion equation
608,737.80 : 913,106.70 = 159,457.80 : x - Step 2: Convert to fraction form
608,737.80/913,106.70 = 159,457.80/x - Step 3: Cross multiply
608,737.80x = 913,106.70 × 159,457.80 - Step 4: Simplify right side
608,737.80x = 145,601,985,547.26 - Step 5: Solve for x
x = 145,601,985,547.26/608,737.80 - Step 6: Final answer
x = 239,186.70
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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.