Finding the Fourth Proportional to 445,904.79, 668,926.74 and 146,317.17
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Solution
The fourth proportional to 445,904.79, 668,926.74 and 146,317.17 is: 219,498.58
Step by Step Solution
- Step 1: Write the proportion equation
445,904.79 : 668,926.74 = 146,317.17 : x - Step 2: Convert to fraction form
445,904.79/668,926.74 = 146,317.17/x - Step 3: Cross multiply
445,904.79x = 668,926.74 × 146,317.17 - Step 4: Simplify right side
445,904.79x = 97,875,467,534.13 - Step 5: Solve for x
x = 97,875,467,534.13/445,904.79 - Step 6: Final answer
x = 219,498.58
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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.