Finding the Fourth Proportional to 626,324.70, 939,482.55 and 153,005.70
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Solution
The fourth proportional to 626,324.70, 939,482.55 and 153,005.70 is: 229,507.45
Step by Step Solution
- Step 1: Write the proportion equation
626,324.70 : 939,482.55 = 153,005.70 : x - Step 2: Convert to fraction form
626,324.70/939,482.55 = 153,005.70/x - Step 3: Cross multiply
626,324.70x = 939,482.55 × 153,005.70 - Step 4: Simplify right side
626,324.70x = 143,746,185,200.54 - Step 5: Solve for x
x = 143,746,185,200.54/626,324.70 - Step 6: Final answer
x = 229,507.45
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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.