Finding the Fourth Proportional to 442,177.08, 610,220.76 and 251,222.88
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Solution
The fourth proportional to 442,177.08, 610,220.76 and 251,222.88 is: 346,696.89
Step by Step Solution
- Step 1: Write the proportion equation
442,177.08 : 610,220.76 = 251,222.88 : x - Step 2: Convert to fraction form
442,177.08/610,220.76 = 251,222.88/x - Step 3: Cross multiply
442,177.08x = 610,220.76 × 251,222.88 - Step 4: Simplify right side
442,177.08x = 153,301,416,762.99 - Step 5: Solve for x
x = 153,301,416,762.99/442,177.08 - Step 6: Final answer
x = 346,696.89
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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.