Finding the Fourth Proportional to 245,470,261.04, 338,756,135.12 and 133,968,258
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Solution
The fourth proportional to 245,470,261.04, 338,756,135.12 and 133,968,258 is: 184,880,111.82
Step by Step Solution
- Step 1: Write the proportion equation
245,470,261.04 : 338,756,135.12 = 133,968,258 : x - Step 2: Convert to fraction form
245,470,261.04/338,756,135.12 = 133,968,258/x - Step 3: Cross multiply
245,470,261.04x = 338,756,135.12 × 133,968,258 - Step 4: Simplify right side
245,470,261.04x = 45,382,569,308,839,024 - Step 5: Solve for x
x = 45,382,569,308,839,024/245,470,261.04 - Step 6: Final answer
x = 184,880,111.82
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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.