Finding the Fourth Proportional to 278,418,090.26, 417,624,475.89 and 169,273,395.02
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Solution
The fourth proportional to 278,418,090.26, 417,624,475.89 and 169,273,395.02 is: 253,908,475.60
Step by Step Solution
- Step 1: Write the proportion equation
278,418,090.26 : 417,624,475.89 = 169,273,395.02 : x - Step 2: Convert to fraction form
278,418,090.26/417,624,475.89 = 169,273,395.02/x - Step 3: Cross multiply
278,418,090.26x = 417,624,475.89 × 169,273,395.02 - Step 4: Simplify right side
278,418,090.26x = 70,692,712,877,348,440 - Step 5: Solve for x
x = 70,692,712,877,348,440/278,418,090.26 - Step 6: Final answer
x = 253,908,475.60
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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.