Finding the Fourth Proportional to 242,681.80, 364,022.70 and 228,903.70
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Solution
The fourth proportional to 242,681.80, 364,022.70 and 228,903.70 is: 343,355.55
Step by Step Solution
- Step 1: Write the proportion equation
242,681.80 : 364,022.70 = 228,903.70 : x - Step 2: Convert to fraction form
242,681.80/364,022.70 = 228,903.70/x - Step 3: Cross multiply
242,681.80x = 364,022.70 × 228,903.70 - Step 4: Simplify right side
242,681.80x = 83,326,142,913.99 - Step 5: Solve for x
x = 83,326,142,913.99/242,681.80 - Step 6: Final answer
x = 343,355.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.