Finding the Fourth Proportional to 436,926.84, 602,946.80 and 243,334.48
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Solution
The fourth proportional to 436,926.84, 602,946.80 and 243,334.48 is: 335,794.77
Step by Step Solution
- Step 1: Write the proportion equation
436,926.84 : 602,946.80 = 243,334.48 : x - Step 2: Convert to fraction form
436,926.84/602,946.80 = 243,334.48/x - Step 3: Cross multiply
436,926.84x = 602,946.80 × 243,334.48 - Step 4: Simplify right side
436,926.84x = 146,717,746,045.66 - Step 5: Solve for x
x = 146,717,746,045.66/436,926.84 - Step 6: Final answer
x = 335,794.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.