Finding the Fourth Proportional to 524,864.60, 787,421.88 and 169,878.62
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Solution
The fourth proportional to 524,864.60, 787,421.88 and 169,878.62 is: 254,858.38
Step by Step Solution
- Step 1: Write the proportion equation
524,864.60 : 787,421.88 = 169,878.62 : x - Step 2: Convert to fraction form
524,864.60/787,421.88 = 169,878.62/x - Step 3: Cross multiply
524,864.60x = 787,421.88 × 169,878.62 - Step 4: Simplify right side
524,864.60x = 133,766,142,332.21 - Step 5: Solve for x
x = 133,766,142,332.21/524,864.60 - Step 6: Final answer
x = 254,858.38
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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.