Finding the Fourth Proportional to 225,068,875.80, 337,603,313.70 and 209,952,331.80
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Solution
The fourth proportional to 225,068,875.80, 337,603,313.70 and 209,952,331.80 is: 314,928,497.70
Step by Step Solution
- Step 1: Write the proportion equation
225,068,875.80 : 337,603,313.70 = 209,952,331.80 : x - Step 2: Convert to fraction form
225,068,875.80/337,603,313.70 = 209,952,331.80/x - Step 3: Cross multiply
225,068,875.80x = 337,603,313.70 × 209,952,331.80 - Step 4: Simplify right side
225,068,875.80x = 70,880,602,934,721,888 - Step 5: Solve for x
x = 70,880,602,934,721,888/225,068,875.80 - Step 6: Final answer
x = 314,928,497.70
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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.