Finding the Fourth Proportional to 417,656.25, 625,678.02 and 249,311.12
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Solution
The fourth proportional to 417,656.25, 625,678.02 and 249,311.12 is: 373,485.34
Step by Step Solution
- Step 1: Write the proportion equation
417,656.25 : 625,678.02 = 249,311.12 : x - Step 2: Convert to fraction form
417,656.25/625,678.02 = 249,311.12/x - Step 3: Cross multiply
417,656.25x = 625,678.02 × 249,311.12 - Step 4: Simplify right side
417,656.25x = 155,988,484,797.19 - Step 5: Solve for x
x = 155,988,484,797.19/417,656.25 - Step 6: Final answer
x = 373,485.34
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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.