Finding the Fourth Proportional to 873,329.99, 1,309,994.98 and 242,243.80
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Solution
The fourth proportional to 873,329.99, 1,309,994.98 and 242,243.80 is: 363,365.70
Step by Step Solution
- Step 1: Write the proportion equation
873,329.99 : 1,309,994.98 = 242,243.80 : x - Step 2: Convert to fraction form
873,329.99/1,309,994.98 = 242,243.80/x - Step 3: Cross multiply
873,329.99x = 1,309,994.98 × 242,243.80 - Step 4: Simplify right side
873,329.99x = 317,338,158,055.53 - Step 5: Solve for x
x = 317,338,158,055.53/873,329.99 - Step 6: Final answer
x = 363,365.70
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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.