Finding the Fourth Proportional to 455,494.07, 683,655.62 and 242,440.79
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Solution
The fourth proportional to 455,494.07, 683,655.62 and 242,440.79 is: 363,881.81
Step by Step Solution
- Step 1: Write the proportion equation
455,494.07 : 683,655.62 = 242,440.79 : x - Step 2: Convert to fraction form
455,494.07/683,655.62 = 242,440.79/x - Step 3: Cross multiply
455,494.07x = 683,655.62 × 242,440.79 - Step 4: Simplify right side
455,494.07x = 165,746,003,970.26 - Step 5: Solve for x
x = 165,746,003,970.26/455,494.07 - Step 6: Final answer
x = 363,881.81
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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.