Finding the Fourth Proportional to 339,878.99, 469,055.93 and 224,959.63
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Solution
The fourth proportional to 339,878.99, 469,055.93 and 224,959.63 is: 310,459.46
Step by Step Solution
- Step 1: Write the proportion equation
339,878.99 : 469,055.93 = 224,959.63 : x - Step 2: Convert to fraction form
339,878.99/469,055.93 = 224,959.63/x - Step 3: Cross multiply
339,878.99x = 469,055.93 × 224,959.63 - Step 4: Simplify right side
339,878.99x = 105,518,648,462.11 - Step 5: Solve for x
x = 105,518,648,462.11/339,878.99 - Step 6: Final answer
x = 310,459.46
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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.