Finding the Fourth Proportional to 257,816,146.80, 386,157,349.80 and 223,803,922.80
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Solution
The fourth proportional to 257,816,146.80, 386,157,349.80 and 223,803,922.80 is: 335,213,797.80
Step by Step Solution
- Step 1: Write the proportion equation
257,816,146.80 : 386,157,349.80 = 223,803,922.80 : x - Step 2: Convert to fraction form
257,816,146.80/386,157,349.80 = 223,803,922.80/x - Step 3: Cross multiply
257,816,146.80x = 386,157,349.80 × 223,803,922.80 - Step 4: Simplify right side
257,816,146.80x = 86,423,529,703,291,808 - Step 5: Solve for x
x = 86,423,529,703,291,808/257,816,146.80 - Step 6: Final answer
x = 335,213,797.80
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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.