Finding the Fourth Proportional to 291,622.69, 402,552.17 and 227,980.99
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Solution
The fourth proportional to 291,622.69, 402,552.17 and 227,980.99 is: 314,701.99
Step by Step Solution
- Step 1: Write the proportion equation
291,622.69 : 402,552.17 = 227,980.99 : x - Step 2: Convert to fraction form
291,622.69/402,552.17 = 227,980.99/x - Step 3: Cross multiply
291,622.69x = 402,552.17 × 227,980.99 - Step 4: Simplify right side
291,622.69x = 91,774,242,461.46 - Step 5: Solve for x
x = 91,774,242,461.46/291,622.69 - Step 6: Final answer
x = 314,701.99
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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.