Finding the Fourth Proportional to 286,677.55, 395,580.64 and 157,594.74
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Solution
The fourth proportional to 286,677.55, 395,580.64 and 157,594.74 is: 217,461.84
Step by Step Solution
- Step 1: Write the proportion equation
286,677.55 : 395,580.64 = 157,594.74 : x - Step 2: Convert to fraction form
286,677.55/395,580.64 = 157,594.74/x - Step 3: Cross multiply
286,677.55x = 395,580.64 × 157,594.74 - Step 4: Simplify right side
286,677.55x = 62,341,428,109.83 - Step 5: Solve for x
x = 62,341,428,109.83/286,677.55 - Step 6: Final answer
x = 217,461.84
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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.