Finding the Fourth Proportional to 608,220.80, 912,343.35 and 158,913.80
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Solution
The fourth proportional to 608,220.80, 912,343.35 and 158,913.80 is: 238,373.87
Step by Step Solution
- Step 1: Write the proportion equation
608,220.80 : 912,343.35 = 158,913.80 : x - Step 2: Convert to fraction form
608,220.80/912,343.35 = 158,913.80/x - Step 3: Cross multiply
608,220.80x = 912,343.35 × 158,913.80 - Step 4: Simplify right side
608,220.80x = 144,983,948,653.23 - Step 5: Solve for x
x = 144,983,948,653.23/608,220.80 - Step 6: Final answer
x = 238,373.87
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1.5x scale
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.