Finding the Fourth Proportional to 615,488.68, 923,090.46 and 194,686.12
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Solution
The fourth proportional to 615,488.68, 923,090.46 and 194,686.12 is: 291,984.09
Step by Step Solution
- Step 1: Write the proportion equation
615,488.68 : 923,090.46 = 194,686.12 : x - Step 2: Convert to fraction form
615,488.68/923,090.46 = 194,686.12/x - Step 3: Cross multiply
615,488.68x = 923,090.46 × 194,686.12 - Step 4: Simplify right side
615,488.68x = 179,712,900,066.42 - Step 5: Solve for x
x = 179,712,900,066.42/615,488.68 - Step 6: Final answer
x = 291,984.09
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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.