Finding the Fourth Proportional to 473,640.14, 653,615.66 and 258,775.58
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Solution
The fourth proportional to 473,640.14, 653,615.66 and 258,775.58 is: 357,106.07
Step by Step Solution
- Step 1: Write the proportion equation
473,640.14 : 653,615.66 = 258,775.58 : x - Step 2: Convert to fraction form
473,640.14/653,615.66 = 258,775.58/x - Step 3: Cross multiply
473,640.14x = 653,615.66 × 258,775.58 - Step 4: Simplify right side
473,640.14x = 169,139,768,892.44 - Step 5: Solve for x
x = 169,139,768,892.44/473,640.14 - Step 6: Final answer
x = 357,106.07
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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.