Finding the Fourth Proportional to 253,292,237.70, 379,938,356.55 and 239,183,463.30
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Solution
The fourth proportional to 253,292,237.70, 379,938,356.55 and 239,183,463.30 is: 358,775,194.95
Step by Step Solution
- Step 1: Write the proportion equation
253,292,237.70 : 379,938,356.55 = 239,183,463.30 : x - Step 2: Convert to fraction form
253,292,237.70/379,938,356.55 = 239,183,463.30/x - Step 3: Cross multiply
253,292,237.70x = 379,938,356.55 × 239,183,463.30 - Step 4: Simplify right side
253,292,237.70x = 90,874,971,960,139,248 - Step 5: Solve for x
x = 90,874,971,960,139,248/253,292,237.70 - Step 6: Final answer
x = 358,775,194.95
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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.